13881259

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 17154720

約数和(自身を除く): 3273461

約数列:

[1, 7, 23, 49, 109, 113, 161, 763, 791, 1127, 2507, 2599, 5341, 5537, 12317, 17549, 18193, 86219, 122843, 127351, 283291, 603533, 1983037, 13881259]

約数ペア:

[(1, 13881259), (7, 1983037), (23, 603533), (49, 283291), (109, 127351), (113, 122843), (161, 86219), (763, 18193), (791, 17549), (1127, 12317), (2507, 5537), (2599, 5341)]