90143945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{7741}}^1$

素因数の和:7900

約数の個数: 16

約数和(自身を含む): 115386768

約数和(自身を除く): 25242823

約数列:

[1, 5, 17, 85, 137, 685, 2329, 7741, 11645, 38705, 131597, 657985, 1060517, 5302585, 18028789, 90143945]

約数ペア:

[(1, 90143945), (5, 18028789), (17, 5302585), (85, 1060517), (137, 657985), (685, 131597), (2329, 38705), (7741, 11645)]