561750238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2111843}}^1$

素因数の和:2111871

約数の個数: 16

約数和(自身を含む): 1013685120

約数和(自身を除く): 451934882

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2111843, 4223686, 14782901, 29565802, 40125017, 80250034, 280875119, 561750238]

約数ペア:

[(1, 561750238), (2, 280875119), (7, 80250034), (14, 40125017), (19, 29565802), (38, 14782901), (133, 4223686), (266, 2111843)]