381089005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{161137}}^1$

素因数の和:161196

約数の個数: 16

約数和(自身を含む): 510485184

約数和(自身を除く): 129396179

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 161137, 805685, 1772507, 6928891, 8862535, 34644455, 76217801, 381089005]

約数ペア:

[(1, 381089005), (5, 76217801), (11, 34644455), (43, 8862535), (55, 6928891), (215, 1772507), (473, 805685), (2365, 161137)]