161215938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{688957}}^1$

素因数の和:688978

約数の個数: 24

約数和(自身を含む): 376171068

約数和(自身を除く): 214955130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 688957, 1377914, 2066871, 4133742, 6200613, 8956441, 12401226, 17912882, 26869323, 53738646, 80607969, 161215938]

約数ペア:

[(1, 161215938), (2, 80607969), (3, 53738646), (6, 26869323), (9, 17912882), (13, 12401226), (18, 8956441), (26, 6200613), (39, 4133742), (78, 2066871), (117, 1377914), (234, 688957)]