80636434

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 122810688

約数和(自身を除く): 42174254

約数列:

[1, 2, 103, 197, 206, 394, 1987, 3974, 20291, 40582, 204661, 391439, 409322, 782878, 40318217, 80636434]

約数ペア:

[(1, 80636434), (2, 40318217), (103, 782878), (197, 409322), (206, 391439), (394, 204661), (1987, 40582), (3974, 20291)]