313620433

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{278279}}^1$

素因数の和:278316

約数の個数: 12

約数和(自身を含む): 380687040

約数和(自身を除く): 67066607

約数列:

[1, 7, 23, 49, 161, 1127, 278279, 1947953, 6400417, 13635671, 44802919, 313620433]

約数ペア:

[(1, 313620433), (7, 44802919), (23, 13635671), (49, 6400417), (161, 1947953), (1127, 278279)]