291226715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{3221}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 382077648

約数和(自身を除く): 90850933

約数列:

[1, 5, 13, 65, 107, 169, 535, 845, 1391, 3221, 6955, 16105, 18083, 41873, 90415, 209365, 344647, 544349, 1723235, 2721745, 4480411, 22402055, 58245343, 291226715]

約数ペア:

[(1, 291226715), (5, 58245343), (13, 22402055), (65, 4480411), (107, 2721745), (169, 1723235), (535, 544349), (845, 344647), (1391, 209365), (3221, 90415), (6955, 41873), (16105, 18083)]