12789478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5527}}^1$

素因数の和:5631

約数の個数: 16

約数和(自身を含む): 20895840

約数和(自身を除く): 8106362

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 5527, 11054, 71851, 143702, 491903, 983806, 6394739, 12789478]

約数ペア:

[(1, 12789478), (2, 6394739), (13, 983806), (26, 491903), (89, 143702), (178, 71851), (1157, 11054), (2314, 5527)]