71432641

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 87398784

約数和(自身を除く): 15966143

約数列:

[1, 7, 23, 49, 161, 241, 263, 1127, 1687, 1841, 5543, 6049, 11809, 12887, 38801, 42343, 63383, 271607, 296401, 443681, 1457809, 3105767, 10204663, 71432641]

約数ペア:

[(1, 71432641), (7, 10204663), (23, 3105767), (49, 1457809), (161, 443681), (241, 296401), (263, 271607), (1127, 63383), (1687, 42343), (1841, 38801), (5543, 12887), (6049, 11809)]