13304431

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 2947409

約数列:

[1, 7, 47, 49, 53, 109, 329, 371, 763, 2303, 2491, 2597, 5123, 5341, 5777, 17437, 35861, 40439, 122059, 251027, 271519, 283073, 1900633, 13304431]

約数ペア:

[(1, 13304431), (7, 1900633), (47, 283073), (49, 271519), (53, 251027), (109, 122059), (329, 40439), (371, 35861), (763, 17437), (2303, 5777), (2491, 5341), (2597, 5123)]