290420918

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1\times {\mathrm{3209}}^1$

素因数の和:4471

約数の個数: 16

約数和(自身を含む): 447910560

約数和(自身を除く): 157489642

約数列:

[1, 2, 37, 74, 1223, 2446, 3209, 6418, 45251, 90502, 118733, 237466, 3924607, 7849214, 145210459, 290420918]

約数ペア:

[(1, 290420918), (2, 145210459), (37, 7849214), (74, 3924607), (1223, 237466), (2446, 118733), (3209, 90502), (6418, 45251)]