821081352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 256

約数和(自身を含む): 2722406400

約数和(自身を除く): 1901325048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 47, 52, 56, 57, 76, 78, 84, 91, 94, 104, 114, 133, 141, 152, 156, 168, 182, 188, 228, 247, 266, 273, 282, 312, 329, 364, 376, 399, 421, 456, 494, 532, 546, 564, 611, 658, 728, 741, 798, 842, 893, 987, 988, 1064, 1092, 1128, 1222, 1263, 1316, 1482, 1596, 1684, 1729, 1786, 1833, 1974, 1976, 2184, 2444, 2526, 2632, 2679, 2947, 2964, 3192, 3368, 3458, 3572, 3666, 3948, 4277, 4888, 5052, 5187, 5358, 5473, 5894, 5928, 6251, 6916, 7144, 7332, 7896, 7999, 8554, 8841, 10104, 10374, 10716, 10946, 11609, 11788, 12502, 12831, 13832, 14664, 15998, 16419, 17108, 17682, 18753, 19787, 20748, 21432, 21892, 23218, 23576, 23997, 25004, 25662, 31996, 32838, 34216, 34827, 35364, 37506, 38311, 39574, 41496, 43784, 46436, 47994, 50008, 51324, 55993, 59361, 63992, 65676, 69654, 70728, 75012, 76622, 79148, 81263, 92872, 95988, 102648, 103987, 111986, 114933, 118722, 131352, 138509, 139308, 150024, 153244, 158296, 162526, 167979, 191976, 207974, 223972, 229866, 237444, 243789, 257231, 277018, 278616, 306488, 311961, 325052, 335958, 375953, 415527, 415948, 447944, 459732, 474888, 487578, 514462, 554036, 623922, 650104, 671916, 727909, 751906, 771693, 831054, 831896, 919464, 975156, 1028924, 1108072, 1127859, 1247844, 1343832, 1455818, 1503812, 1543386, 1662108, 1800617, 1950312, 2057848, 2183727, 2255718, 2495688, 2631671, 2911636, 3007624, 3086772, 3324216, 3601234, 4367454, 4511436, 4887389, 5263342, 5401851, 5823272, 6173544, 7202468, 7895013, 8734908, 9022872, 9774778, 10526684, 10803702, 14404936, 14662167, 15790026, 17469816, 19549556, 21053368, 21607404, 29324334, 31580052, 34211723, 39099112, 43214808, 58648668, 63160104, 68423446, 102635169, 117297336, 136846892, 205270338, 273693784, 410540676, 821081352]

約数ペア:

[(1, 821081352), (2, 410540676), (3, 273693784), (4, 205270338), (6, 136846892), (7, 117297336), (8, 102635169), (12, 68423446), (13, 63160104), (14, 58648668), (19, 43214808), (21, 39099112), (24, 34211723), (26, 31580052), (28, 29324334), (38, 21607404), (39, 21053368), (42, 19549556), (47, 17469816), (52, 15790026), (56, 14662167), (57, 14404936), (76, 10803702), (78, 10526684), (84, 9774778), (91, 9022872), (94, 8734908), (104, 7895013), (114, 7202468), (133, 6173544), (141, 5823272), (152, 5401851), (156, 5263342), (168, 4887389), (182, 4511436), (188, 4367454), (228, 3601234), (247, 3324216), (266, 3086772), (273, 3007624), (282, 2911636), (312, 2631671), (329, 2495688), (364, 2255718), (376, 2183727), (399, 2057848), (421, 1950312), (456, 1800617), (494, 1662108), (532, 1543386), (546, 1503812), (564, 1455818), (611, 1343832), (658, 1247844), (728, 1127859), (741, 1108072), (798, 1028924), (842, 975156), (893, 919464), (987, 831896), (988, 831054), (1064, 771693), (1092, 751906), (1128, 727909), (1222, 671916), (1263, 650104), (1316, 623922), (1482, 554036), (1596, 514462), (1684, 487578), (1729, 474888), (1786, 459732), (1833, 447944), (1974, 415948), (1976, 415527), (2184, 375953), (2444, 335958), (2526, 325052), (2632, 311961), (2679, 306488), (2947, 278616), (2964, 277018), (3192, 257231), (3368, 243789), (3458, 237444), (3572, 229866), (3666, 223972), (3948, 207974), (4277, 191976), (4888, 167979), (5052, 162526), (5187, 158296), (5358, 153244), (5473, 150024), (5894, 139308), (5928, 138509), (6251, 131352), (6916, 118722), (7144, 114933), (7332, 111986), (7896, 103987), (7999, 102648), (8554, 95988), (8841, 92872), (10104, 81263), (10374, 79148), (10716, 76622), (10946, 75012), (11609, 70728), (11788, 69654), (12502, 65676), (12831, 63992), (13832, 59361), (14664, 55993), (15998, 51324), (16419, 50008), (17108, 47994), (17682, 46436), (18753, 43784), (19787, 41496), (20748, 39574), (21432, 38311), (21892, 37506), (23218, 35364), (23576, 34827), (23997, 34216), (25004, 32838), (25662, 31996)]