402458623

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{28087}}^1$

素因数の和:28206

約数の個数: 16

約数和(自身を含む): 485360640

約数和(自身を除く): 82902017

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 28087, 196609, 646001, 2499743, 4522007, 17498201, 57494089, 402458623]

約数ペア:

[(1, 402458623), (7, 57494089), (23, 17498201), (89, 4522007), (161, 2499743), (623, 646001), (2047, 196609), (14329, 28087)]