72017281

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 85338880

約数和(自身を除く): 13321599

約数列:

[1, 7, 37, 109, 259, 763, 2551, 4033, 17857, 28231, 94387, 278059, 660709, 1946413, 10288183, 72017281]

約数ペア:

[(1, 72017281), (7, 10288183), (37, 1946413), (109, 660709), (259, 278059), (763, 94387), (2551, 28231), (4033, 17857)]