12391749215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1363979}}^1$

素因数の和:1364086

約数の個数: 16

約数和(自身を含む): 15713049600

約数和(自身を除く): 3321300385

約数列:

[1, 5, 23, 79, 115, 395, 1817, 9085, 1363979, 6819895, 31371517, 107754341, 156857585, 538771705, 2478349843, 12391749215]

約数ペア:

[(1, 12391749215), (5, 2478349843), (23, 538771705), (79, 156857585), (115, 107754341), (395, 31371517), (1817, 6819895), (9085, 1363979)]