89601985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 126313344

約数和(自身を除く): 36711359

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 305, 671, 935, 1037, 1571, 3355, 5185, 7855, 11407, 17281, 26707, 57035, 86405, 95831, 133535, 293777, 479155, 1054141, 1468885, 1629127, 5270705, 8145635, 17920397, 89601985]

約数ペア:

[(1, 89601985), (5, 17920397), (11, 8145635), (17, 5270705), (55, 1629127), (61, 1468885), (85, 1054141), (187, 479155), (305, 293777), (671, 133535), (935, 95831), (1037, 86405), (1571, 57035), (3355, 26707), (5185, 17281), (7855, 11407)]