2561654

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:635

約数の個数: 16

約数和(自身を含む): 4024320

約数和(自身を除く): 1462666

約数列:

[1, 2, 31, 62, 79, 158, 523, 1046, 2449, 4898, 16213, 32426, 41317, 82634, 1280827, 2561654]

約数ペア:

[(1, 2561654), (2, 1280827), (31, 82634), (62, 41317), (79, 32426), (158, 16213), (523, 4898), (1046, 2449)]