81736309870

素因数分解:

$2^1\times 5^1\times {\mathrm{10271}}^1\times {\mathrm{795797}}^1$

素因数の和:806075

約数の個数: 16

約数和(自身を含む): 147139867008

約数和(自身を除く): 65403557138

約数列:

[1, 2, 5, 10, 10271, 20542, 51355, 102710, 795797, 1591594, 3978985, 7957970, 8173630987, 16347261974, 40868154935, 81736309870]

約数ペア:

[(1, 81736309870), (2, 40868154935), (5, 16347261974), (10, 8173630987), (10271, 7957970), (20542, 3978985), (51355, 1591594), (102710, 795797)]