72402239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18503}}^1$

素因数の和:18566

約数の個数: 16

約数和(自身を含む): 91187712

約数和(自身を除く): 18785473

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 18503, 129521, 240539, 795629, 1683773, 5569403, 10343177, 72402239]

約数ペア:

[(1, 72402239), (7, 10343177), (13, 5569403), (43, 1683773), (91, 795629), (301, 240539), (559, 129521), (3913, 18503)]