25640641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 29444688

約数和(自身を除く): 3804047

約数列:

[1, 13, 17, 181, 221, 641, 2353, 3077, 8333, 10897, 40001, 116021, 141661, 1508273, 1972357, 25640641]

約数ペア:

[(1, 25640641), (13, 1972357), (17, 1508273), (181, 141661), (221, 116021), (641, 40001), (2353, 10897), (3077, 8333)]