15891110

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 13571290

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 239, 305, 478, 545, 610, 1090, 1195, 2390, 6649, 13298, 14579, 26051, 29158, 33245, 52102, 66490, 72895, 130255, 145790, 260510, 1589111, 3178222, 7945555, 15891110]

約数ペア:

[(1, 15891110), (2, 7945555), (5, 3178222), (10, 1589111), (61, 260510), (109, 145790), (122, 130255), (218, 72895), (239, 66490), (305, 52102), (478, 33245), (545, 29158), (610, 26051), (1090, 14579), (1195, 13298), (2390, 6649)]