4057745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 5142528

約数和(自身を除く): 1084783

約数列:

[1, 5, 31, 47, 155, 235, 557, 1457, 2785, 7285, 17267, 26179, 86335, 130895, 811549, 4057745]

約数ペア:

[(1, 4057745), (5, 811549), (31, 130895), (47, 86335), (155, 26179), (235, 17267), (557, 7285), (1457, 2785)]