397719478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1\times {\mathrm{7451}}^1$

素因数の和:9519

約数の個数: 16

約数和(自身を含む): 642869136

約数和(自身を除く): 245149658

約数列:

[1, 2, 13, 26, 2053, 4106, 7451, 14902, 26689, 53378, 96863, 193726, 15296903, 30593806, 198859739, 397719478]

約数ペア:

[(1, 397719478), (2, 198859739), (13, 30593806), (26, 15296903), (2053, 193726), (4106, 96863), (7451, 53378), (14902, 26689)]