28888867

素因数分解:

$7^1\times {\mathrm{151}}^2\times {\mathrm{181}}^1$

素因数の和:490

約数の個数: 12

約数和(自身を含む): 33419568

約数和(自身を除く): 4530701

約数列:

[1, 7, 151, 181, 1057, 1267, 22801, 27331, 159607, 191317, 4126981, 28888867]

約数ペア:

[(1, 28888867), (7, 4126981), (151, 191317), (181, 159607), (1057, 27331), (1267, 22801)]