87991057

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1811}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 109937664

約数和(自身を除く): 21946607

約数列:

[1, 7, 11, 77, 631, 1811, 4417, 6941, 12677, 19921, 48587, 139447, 1142741, 7999187, 12570151, 87991057]

約数ペア:

[(1, 87991057), (7, 12570151), (11, 7999187), (77, 1142741), (631, 139447), (1811, 48587), (4417, 19921), (6941, 12677)]