71249905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1693}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 90256320

約数和(自身を除く): 19006415

約数列:

[1, 5, 19, 95, 443, 1693, 2215, 8417, 8465, 32167, 42085, 160835, 749999, 3749995, 14249981, 71249905]

約数ペア:

[(1, 71249905), (5, 14249981), (19, 3749995), (95, 749999), (443, 160835), (1693, 42085), (2215, 32167), (8417, 8465)]