12428507

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 15800400

約数和(自身を除く): 3371893

約数列:

[1, 7, 13, 49, 91, 109, 179, 637, 763, 1253, 1417, 2327, 5341, 8771, 9919, 16289, 19511, 69433, 114023, 136577, 253643, 956039, 1775501, 12428507]

約数ペア:

[(1, 12428507), (7, 1775501), (13, 956039), (49, 253643), (91, 136577), (109, 114023), (179, 69433), (637, 19511), (763, 16289), (1253, 9919), (1417, 8771), (2327, 5341)]