16764025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 21776384

約数和(自身を除く): 5012359

約数列:

[1, 5, 25, 31, 97, 155, 223, 485, 775, 1115, 2425, 3007, 5575, 6913, 15035, 21631, 34565, 75175, 108155, 172825, 540775, 670561, 3352805, 16764025]

約数ペア:

[(1, 16764025), (5, 3352805), (25, 670561), (31, 540775), (97, 172825), (155, 108155), (223, 75175), (485, 34565), (775, 21631), (1115, 15035), (2425, 6913), (3007, 5575)]