81742544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2411}}^1$

素因数の和:2595

約数の個数: 40

約数和(自身を含む): 171676512

約数和(自身を除く): 89933968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 2119, 2411, 2608, 4238, 4822, 8476, 9644, 16952, 19288, 31343, 33904, 38576, 62686, 125372, 250744, 392993, 501488, 785986, 1571972, 3143944, 5108909, 6287888, 10217818, 20435636, 40871272, 81742544]

約数ペア:

[(1, 81742544), (2, 40871272), (4, 20435636), (8, 10217818), (13, 6287888), (16, 5108909), (26, 3143944), (52, 1571972), (104, 785986), (163, 501488), (208, 392993), (326, 250744), (652, 125372), (1304, 62686), (2119, 38576), (2411, 33904), (2608, 31343), (4238, 19288), (4822, 16952), (8476, 9644)]