90990146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 153753600

約数和(自身を除く): 62763454

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 806, 1027, 1429, 2054, 2449, 2858, 4898, 18577, 31837, 37154, 44299, 63674, 88598, 112891, 225782, 575887, 1151774, 1467583, 2935166, 3499621, 6999242, 45495073, 90990146]

約数ペア:

[(1, 90990146), (2, 45495073), (13, 6999242), (26, 3499621), (31, 2935166), (62, 1467583), (79, 1151774), (158, 575887), (403, 225782), (806, 112891), (1027, 88598), (1429, 63674), (2054, 44299), (2449, 37154), (2858, 31837), (4898, 18577)]