66216445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{8753}}^1$

素因数の和:8864

約数の個数: 16

約数和(自身を含む): 85088880

約数和(自身を除く): 18872435

約数列:

[1, 5, 17, 85, 89, 445, 1513, 7565, 8753, 43765, 148801, 744005, 779017, 3895085, 13243289, 66216445]

約数ペア:

[(1, 66216445), (5, 13243289), (17, 3895085), (85, 779017), (89, 744005), (445, 148801), (1513, 43765), (7565, 8753)]