28887370

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70457}}^1$

素因数の和:70505

約数の個数: 16

約数和(自身を含む): 53266248

約数和(自身を除く): 24378878

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70457, 140914, 352285, 704570, 2888737, 5777474, 14443685, 28887370]

約数ペア:

[(1, 28887370), (2, 14443685), (5, 5777474), (10, 2888737), (41, 704570), (82, 352285), (205, 140914), (410, 70457)]