12125309

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 14524416

約数和(自身を除く): 2399107

約数列:

[1, 7, 31, 71, 217, 497, 787, 2201, 5509, 15407, 24397, 55877, 170779, 391139, 1732187, 12125309]

約数ペア:

[(1, 12125309), (7, 1732187), (31, 391139), (71, 170779), (217, 55877), (497, 24397), (787, 15407), (2201, 5509)]