20161609867

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1\times {\mathrm{1279}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 24617779200

約数和(自身を除く): 4456169333

約数列:

[1, 7, 17, 119, 139, 953, 973, 1279, 2363, 6671, 8953, 16201, 16541, 21743, 113407, 132467, 152201, 177781, 927269, 1218887, 1244467, 2251939, 3022277, 8532209, 15763573, 20721079, 21155939, 145047553, 169425293, 1185977051, 2880229981, 20161609867]

約数ペア:

[(1, 20161609867), (7, 2880229981), (17, 1185977051), (119, 169425293), (139, 145047553), (953, 21155939), (973, 20721079), (1279, 15763573), (2363, 8532209), (6671, 3022277), (8953, 2251939), (16201, 1244467), (16541, 1218887), (21743, 927269), (113407, 177781), (132467, 152201)]