28643215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8219}}^1$

素因数の和:8282

約数の個数: 16

約数和(自身を含む): 37285920

約数和(自身を除く): 8642705

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 8219, 41095, 139723, 336979, 698615, 1684895, 5728643, 28643215]

約数ペア:

[(1, 28643215), (5, 5728643), (17, 1684895), (41, 698615), (85, 336979), (205, 139723), (697, 41095), (3485, 8219)]