421921656

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 1348300800

約数和(自身を除く): 926379144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 37, 39, 52, 54, 62, 72, 74, 78, 93, 104, 108, 111, 117, 124, 131, 148, 156, 186, 216, 222, 234, 248, 262, 279, 296, 312, 333, 351, 372, 393, 403, 444, 468, 481, 524, 558, 666, 702, 744, 786, 806, 837, 888, 936, 962, 999, 1048, 1116, 1147, 1179, 1209, 1332, 1404, 1443, 1572, 1612, 1674, 1703, 1924, 1998, 2232, 2294, 2358, 2418, 2664, 2808, 2886, 3144, 3224, 3348, 3406, 3441, 3537, 3627, 3848, 3996, 4061, 4329, 4588, 4716, 4836, 4847, 5109, 5772, 6696, 6812, 6882, 7074, 7254, 7992, 8122, 8658, 9176, 9432, 9672, 9694, 10218, 10323, 10881, 11544, 12183, 12987, 13624, 13764, 14148, 14508, 14541, 14911, 15327, 16244, 17316, 19388, 20436, 20646, 21762, 24366, 25974, 27528, 28296, 29016, 29082, 29822, 30654, 30969, 32488, 34632, 36549, 38776, 40872, 41292, 43524, 43623, 44733, 45981, 48732, 51948, 52793, 58164, 59644, 61308, 61938, 63011, 73098, 82584, 87048, 87246, 89466, 91962, 97464, 103896, 105586, 109647, 116328, 119288, 122616, 123876, 126022, 130869, 134199, 146196, 150257, 158379, 174492, 178932, 183924, 189033, 211172, 219294, 247752, 252044, 261738, 268398, 292392, 300514, 316758, 348984, 357864, 367848, 378066, 402597, 422344, 438588, 450771, 475137, 504088, 523476, 536796, 567099, 601028, 633516, 756132, 805194, 877176, 901542, 950274, 1046952, 1073592, 1134198, 1202056, 1267032, 1352313, 1425411, 1512264, 1610388, 1701297, 1803084, 1900548, 1953341, 2268396, 2704626, 2850822, 3220776, 3402594, 3606168, 3801096, 3906682, 4056939, 4536792, 5409252, 5701644, 5860023, 6805188, 7813364, 8113878, 10818504, 11403288, 11720046, 13610376, 15626728, 16227756, 17580069, 23440092, 32455512, 35160138, 46880184, 52740207, 70320276, 105480414, 140640552, 210960828, 421921656]

約数ペア:

[(1, 421921656), (2, 210960828), (3, 140640552), (4, 105480414), (6, 70320276), (8, 52740207), (9, 46880184), (12, 35160138), (13, 32455512), (18, 23440092), (24, 17580069), (26, 16227756), (27, 15626728), (31, 13610376), (36, 11720046), (37, 11403288), (39, 10818504), (52, 8113878), (54, 7813364), (62, 6805188), (72, 5860023), (74, 5701644), (78, 5409252), (93, 4536792), (104, 4056939), (108, 3906682), (111, 3801096), (117, 3606168), (124, 3402594), (131, 3220776), (148, 2850822), (156, 2704626), (186, 2268396), (216, 1953341), (222, 1900548), (234, 1803084), (248, 1701297), (262, 1610388), (279, 1512264), (296, 1425411), (312, 1352313), (333, 1267032), (351, 1202056), (372, 1134198), (393, 1073592), (403, 1046952), (444, 950274), (468, 901542), (481, 877176), (524, 805194), (558, 756132), (666, 633516), (702, 601028), (744, 567099), (786, 536796), (806, 523476), (837, 504088), (888, 475137), (936, 450771), (962, 438588), (999, 422344), (1048, 402597), (1116, 378066), (1147, 367848), (1179, 357864), (1209, 348984), (1332, 316758), (1404, 300514), (1443, 292392), (1572, 268398), (1612, 261738), (1674, 252044), (1703, 247752), (1924, 219294), (1998, 211172), (2232, 189033), (2294, 183924), (2358, 178932), (2418, 174492), (2664, 158379), (2808, 150257), (2886, 146196), (3144, 134199), (3224, 130869), (3348, 126022), (3406, 123876), (3441, 122616), (3537, 119288), (3627, 116328), (3848, 109647), (3996, 105586), (4061, 103896), (4329, 97464), (4588, 91962), (4716, 89466), (4836, 87246), (4847, 87048), (5109, 82584), (5772, 73098), (6696, 63011), (6812, 61938), (6882, 61308), (7074, 59644), (7254, 58164), (7992, 52793), (8122, 51948), (8658, 48732), (9176, 45981), (9432, 44733), (9672, 43623), (9694, 43524), (10218, 41292), (10323, 40872), (10881, 38776), (11544, 36549), (12183, 34632), (12987, 32488), (13624, 30969), (13764, 30654), (14148, 29822), (14508, 29082), (14541, 29016), (14911, 28296), (15327, 27528), (16244, 25974), (17316, 24366), (19388, 21762), (20436, 20646)]