28359905

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19763}}^1$

素因数の和:19816

約数の個数: 16

約数和(自身を含む): 39844224

約数和(自身を除く): 11484319

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19763, 98815, 138341, 691705, 810283, 4051415, 5671981, 28359905]

約数ペア:

[(1, 28359905), (5, 5671981), (7, 4051415), (35, 810283), (41, 691705), (205, 138341), (287, 98815), (1435, 19763)]