28481705

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35381}}^1$

素因数の和:35416

約数の個数: 16

約数和(自身を含む): 40760064

約数和(自身を除く): 12278359

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35381, 176905, 247667, 813763, 1238335, 4068815, 5696341, 28481705]

約数ペア:

[(1, 28481705), (5, 5696341), (7, 4068815), (23, 1238335), (35, 813763), (115, 247667), (161, 176905), (805, 35381)]