87850679

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 108887328

約数和(自身を除く): 21036649

約数列:

[1, 7, 17, 49, 119, 263, 401, 833, 1841, 2807, 4471, 6817, 12887, 19649, 31297, 47719, 105463, 219079, 334033, 738241, 1792871, 5167687, 12550097, 87850679]

約数ペア:

[(1, 87850679), (7, 12550097), (17, 5167687), (49, 1792871), (119, 738241), (263, 334033), (401, 219079), (833, 105463), (1841, 47719), (2807, 31297), (4471, 19649), (6817, 12887)]