15722290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11311}}^1$

素因数の和:11457

約数の個数: 16

約数和(自身を含む): 28506240

約数和(自身を除く): 12783950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 11311, 22622, 56555, 113110, 1572229, 3144458, 7861145, 15722290]

約数ペア:

[(1, 15722290), (2, 7861145), (5, 3144458), (10, 1572229), (139, 113110), (278, 56555), (695, 22622), (1390, 11311)]