247967784

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 256

約数和(自身を含む): 787968000

約数和(自身を除く): 540000216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 37, 38, 46, 54, 57, 69, 71, 72, 74, 76, 92, 108, 111, 114, 138, 142, 148, 152, 171, 184, 207, 213, 216, 222, 228, 276, 284, 296, 333, 342, 414, 426, 437, 444, 456, 513, 552, 568, 621, 639, 666, 684, 703, 828, 851, 852, 874, 888, 999, 1026, 1242, 1278, 1311, 1332, 1349, 1368, 1406, 1633, 1656, 1702, 1704, 1748, 1917, 1998, 2052, 2109, 2484, 2553, 2556, 2622, 2627, 2664, 2698, 2812, 3266, 3404, 3496, 3834, 3933, 3996, 4047, 4104, 4218, 4899, 4968, 5106, 5112, 5244, 5254, 5396, 5624, 6327, 6532, 6808, 7659, 7668, 7866, 7881, 7992, 8094, 8436, 9798, 10212, 10488, 10508, 10792, 11799, 12141, 12654, 13064, 14697, 15318, 15336, 15732, 15762, 16169, 16188, 16872, 18981, 19596, 20424, 21016, 22977, 23598, 23643, 24282, 25308, 29394, 30636, 31027, 31464, 31524, 32338, 32376, 36423, 37962, 39192, 44091, 45954, 47196, 47286, 48507, 48564, 49913, 50616, 58788, 60421, 61272, 62054, 63048, 64676, 70929, 72846, 75924, 88182, 91908, 93081, 94392, 94572, 97014, 97128, 99826, 117576, 120842, 124108, 129352, 141858, 145521, 145692, 149739, 151848, 176364, 181263, 183816, 186162, 189144, 194028, 199652, 241684, 248216, 279243, 283716, 291042, 291384, 299478, 352728, 362526, 372324, 388056, 399304, 436563, 449217, 483368, 543789, 558486, 567432, 582084, 598956, 725052, 744648, 837729, 873126, 898434, 1087578, 1116972, 1147999, 1164168, 1197912, 1347651, 1450104, 1631367, 1675458, 1746252, 1796868, 2175156, 2233944, 2295998, 2695302, 3262734, 3350916, 3443997, 3492504, 3593736, 4350312, 4591996, 5390604, 6525468, 6701832, 6887994, 9183992, 10331991, 10781208, 13050936, 13775988, 20663982, 27551976, 30995973, 41327964, 61991946, 82655928, 123983892, 247967784]

約数ペア:

[(1, 247967784), (2, 123983892), (3, 82655928), (4, 61991946), (6, 41327964), (8, 30995973), (9, 27551976), (12, 20663982), (18, 13775988), (19, 13050936), (23, 10781208), (24, 10331991), (27, 9183992), (36, 6887994), (37, 6701832), (38, 6525468), (46, 5390604), (54, 4591996), (57, 4350312), (69, 3593736), (71, 3492504), (72, 3443997), (74, 3350916), (76, 3262734), (92, 2695302), (108, 2295998), (111, 2233944), (114, 2175156), (138, 1796868), (142, 1746252), (148, 1675458), (152, 1631367), (171, 1450104), (184, 1347651), (207, 1197912), (213, 1164168), (216, 1147999), (222, 1116972), (228, 1087578), (276, 898434), (284, 873126), (296, 837729), (333, 744648), (342, 725052), (414, 598956), (426, 582084), (437, 567432), (444, 558486), (456, 543789), (513, 483368), (552, 449217), (568, 436563), (621, 399304), (639, 388056), (666, 372324), (684, 362526), (703, 352728), (828, 299478), (851, 291384), (852, 291042), (874, 283716), (888, 279243), (999, 248216), (1026, 241684), (1242, 199652), (1278, 194028), (1311, 189144), (1332, 186162), (1349, 183816), (1368, 181263), (1406, 176364), (1633, 151848), (1656, 149739), (1702, 145692), (1704, 145521), (1748, 141858), (1917, 129352), (1998, 124108), (2052, 120842), (2109, 117576), (2484, 99826), (2553, 97128), (2556, 97014), (2622, 94572), (2627, 94392), (2664, 93081), (2698, 91908), (2812, 88182), (3266, 75924), (3404, 72846), (3496, 70929), (3834, 64676), (3933, 63048), (3996, 62054), (4047, 61272), (4104, 60421), (4218, 58788), (4899, 50616), (4968, 49913), (5106, 48564), (5112, 48507), (5244, 47286), (5254, 47196), (5396, 45954), (5624, 44091), (6327, 39192), (6532, 37962), (6808, 36423), (7659, 32376), (7668, 32338), (7866, 31524), (7881, 31464), (7992, 31027), (8094, 30636), (8436, 29394), (9798, 25308), (10212, 24282), (10488, 23643), (10508, 23598), (10792, 22977), (11799, 21016), (12141, 20424), (12654, 19596), (13064, 18981), (14697, 16872), (15318, 16188), (15336, 16169), (15732, 15762)]