131231556

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2126

約数の個数: 96

約数和(自身を含む): 369868800

約数和(自身を除く): 238637244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 342, 372, 513, 558, 589, 684, 837, 1026, 1116, 1178, 1674, 1767, 2052, 2063, 2356, 3348, 3534, 4126, 5301, 6189, 7068, 8252, 10602, 12378, 15903, 18567, 21204, 24756, 31806, 37134, 39197, 55701, 63612, 63953, 74268, 78394, 111402, 117591, 127906, 156788, 191859, 222804, 235182, 255812, 352773, 383718, 470364, 575577, 705546, 767436, 1058319, 1151154, 1215107, 1411092, 1726731, 2116638, 2302308, 2430214, 3453462, 3645321, 4233276, 4860428, 6906924, 7290642, 10935963, 14581284, 21871926, 32807889, 43743852, 65615778, 131231556]

約数ペア:

[(1, 131231556), (2, 65615778), (3, 43743852), (4, 32807889), (6, 21871926), (9, 14581284), (12, 10935963), (18, 7290642), (19, 6906924), (27, 4860428), (31, 4233276), (36, 3645321), (38, 3453462), (54, 2430214), (57, 2302308), (62, 2116638), (76, 1726731), (93, 1411092), (108, 1215107), (114, 1151154), (124, 1058319), (171, 767436), (186, 705546), (228, 575577), (279, 470364), (342, 383718), (372, 352773), (513, 255812), (558, 235182), (589, 222804), (684, 191859), (837, 156788), (1026, 127906), (1116, 117591), (1178, 111402), (1674, 78394), (1767, 74268), (2052, 63953), (2063, 63612), (2356, 55701), (3348, 39197), (3534, 37134), (4126, 31806), (5301, 24756), (6189, 21204), (7068, 18567), (8252, 15903), (10602, 12378)]