81124612

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{70177}}^1$

素因数の和:70215

約数の個数: 18

約数和(自身を含む): 150812522

約数和(自身を除く): 69687910

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 70177, 140354, 280708, 1193009, 2386018, 4772036, 20281153, 40562306, 81124612]

約数ペア:

[(1, 81124612), (2, 40562306), (4, 20281153), (17, 4772036), (34, 2386018), (68, 1193009), (289, 280708), (578, 140354), (1156, 70177)]