1280451221

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73433}}^1$

素因数の和:73540

約数の個数: 16

約数和(自身を含む): 1522727424

約数和(自身を除く): 242276203

約数列:

[1, 7, 47, 53, 329, 371, 2491, 17437, 73433, 514031, 3451351, 3891949, 24159457, 27243643, 182921603, 1280451221]

約数ペア:

[(1, 1280451221), (7, 182921603), (47, 27243643), (53, 24159457), (329, 3891949), (371, 3451351), (2491, 514031), (17437, 73433)]