81381144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2393}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 221205600

約数和(自身を除く): 139824456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 654, 872, 1308, 1417, 2393, 2616, 2834, 4251, 4786, 5668, 7179, 8502, 9572, 11336, 14358, 17004, 19144, 28716, 31109, 34008, 57432, 62218, 93327, 124436, 186654, 248872, 260837, 373308, 521674, 746616, 782511, 1043348, 1565022, 2086696, 3130044, 3390881, 6260088, 6781762, 10172643, 13563524, 20345286, 27127048, 40690572, 81381144]

約数ペア:

[(1, 81381144), (2, 40690572), (3, 27127048), (4, 20345286), (6, 13563524), (8, 10172643), (12, 6781762), (13, 6260088), (24, 3390881), (26, 3130044), (39, 2086696), (52, 1565022), (78, 1043348), (104, 782511), (109, 746616), (156, 521674), (218, 373308), (312, 260837), (327, 248872), (436, 186654), (654, 124436), (872, 93327), (1308, 62218), (1417, 57432), (2393, 34008), (2616, 31109), (2834, 28716), (4251, 19144), (4786, 17004), (5668, 14358), (7179, 11336), (8502, 9572)]