126257521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 144353664

約数和(自身を除く): 18096143

約数列:

[1, 13, 17, 221, 647, 883, 8411, 10999, 11479, 15011, 142987, 195143, 571301, 7426913, 9712117, 126257521]

約数ペア:

[(1, 126257521), (13, 9712117), (17, 7426913), (221, 571301), (647, 195143), (883, 142987), (8411, 15011), (10999, 11479)]