87897910

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{16871}}^1$

素因数の和:17399

約数の個数: 16

約数和(自身を含む): 158529312

約数和(自身を除く): 70631402

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 16871, 33742, 84355, 168710, 8789791, 17579582, 43948955, 87897910]

約数ペア:

[(1, 87897910), (2, 43948955), (5, 17579582), (10, 8789791), (521, 168710), (1042, 84355), (2605, 33742), (5210, 16871)]