861590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2971}}^1$

素因数の和:3007

約数の個数: 16

約数和(自身を含む): 1604880

約数和(自身を除く): 743290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2971, 5942, 14855, 29710, 86159, 172318, 430795, 861590]

約数ペア:

[(1, 861590), (2, 430795), (5, 172318), (10, 86159), (29, 29710), (58, 14855), (145, 5942), (290, 2971)]