25956721

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 5580239

約数列:

[1, 7, 37, 49, 103, 139, 259, 721, 973, 1813, 3811, 5047, 5143, 6811, 14317, 26677, 36001, 100219, 186739, 252007, 529729, 701533, 3708103, 25956721]

約数ペア:

[(1, 25956721), (7, 3708103), (37, 701533), (49, 529729), (103, 252007), (139, 186739), (259, 100219), (721, 36001), (973, 26677), (1813, 14317), (3811, 6811), (5047, 5143)]