13861421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 16452480

約数和(自身を除く): 2591059

約数列:

[1, 7, 37, 109, 259, 491, 763, 3437, 4033, 18167, 28231, 53519, 127169, 374633, 1980203, 13861421]

約数ペア:

[(1, 13861421), (7, 1980203), (37, 374633), (109, 127169), (259, 53519), (491, 28231), (763, 18167), (3437, 4033)]