68686849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21757}}^1$

素因数の和:21816

約数の個数: 16

約数和(自身を含む): 87728256

約数和(自身を除く): 19041407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 21757, 152299, 239327, 892037, 1675289, 6244259, 9812407, 68686849]

約数ペア:

[(1, 68686849), (7, 9812407), (11, 6244259), (41, 1675289), (77, 892037), (287, 239327), (451, 152299), (3157, 21757)]