39390421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 47520000

約数和(自身を除く): 8129579

約数列:

[1, 7, 23, 89, 161, 623, 2047, 2749, 14329, 19243, 63227, 244661, 442589, 1712627, 5627203, 39390421]

約数ペア:

[(1, 39390421), (7, 5627203), (23, 1712627), (89, 442589), (161, 244661), (623, 63227), (2047, 19243), (2749, 14329)]