81927924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 219394560

約数和(自身を除く): 137466636

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 131, 156, 211, 228, 247, 262, 393, 422, 494, 524, 633, 741, 786, 844, 988, 1266, 1482, 1572, 1703, 2489, 2532, 2743, 2964, 3406, 4009, 4978, 5109, 5486, 6812, 7467, 8018, 8229, 9956, 10218, 10972, 12027, 14934, 16036, 16458, 20436, 24054, 27641, 29868, 32357, 32916, 48108, 52117, 55282, 64714, 82923, 97071, 104234, 110564, 129428, 156351, 165846, 194142, 208468, 312702, 331692, 359333, 388284, 525179, 625404, 718666, 1050358, 1077999, 1437332, 1575537, 2100716, 2155998, 3151074, 4311996, 6302148, 6827327, 13654654, 20481981, 27309308, 40963962, 81927924]

約数ペア:

[(1, 81927924), (2, 40963962), (3, 27309308), (4, 20481981), (6, 13654654), (12, 6827327), (13, 6302148), (19, 4311996), (26, 3151074), (38, 2155998), (39, 2100716), (52, 1575537), (57, 1437332), (76, 1077999), (78, 1050358), (114, 718666), (131, 625404), (156, 525179), (211, 388284), (228, 359333), (247, 331692), (262, 312702), (393, 208468), (422, 194142), (494, 165846), (524, 156351), (633, 129428), (741, 110564), (786, 104234), (844, 97071), (988, 82923), (1266, 64714), (1482, 55282), (1572, 52117), (1703, 48108), (2489, 32916), (2532, 32357), (2743, 29868), (2964, 27641), (3406, 24054), (4009, 20436), (4978, 16458), (5109, 16036), (5486, 14934), (6812, 12027), (7467, 10972), (8018, 10218), (8229, 9956)]