258296786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 435872448

約数和(自身を除く): 177575662

約数列:

[1, 2, 11, 22, 43, 86, 137, 274, 473, 946, 1507, 1993, 3014, 3986, 5891, 11782, 21923, 43846, 64801, 85699, 129602, 171398, 273041, 546082, 942689, 1885378, 3003451, 6006902, 11740763, 23481526, 129148393, 258296786]

約数ペア:

[(1, 258296786), (2, 129148393), (11, 23481526), (22, 11740763), (43, 6006902), (86, 3003451), (137, 1885378), (274, 942689), (473, 546082), (946, 273041), (1507, 171398), (1993, 129602), (3014, 85699), (3986, 64801), (5891, 43846), (11782, 21923)]