28540715

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19889}}^1$

素因数の和:19942

約数の個数: 16

約数和(自身を含む): 40098240

約数和(自身を除く): 11557525

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19889, 99445, 139223, 696115, 815449, 4077245, 5708143, 28540715]

約数ペア:

[(1, 28540715), (5, 5708143), (7, 4077245), (35, 815449), (41, 696115), (205, 139223), (287, 99445), (1435, 19889)]