7872137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 10617600

約数和(自身を除く): 2745463

約数列:

[1, 7, 13, 19, 29, 91, 133, 157, 203, 247, 377, 551, 1099, 1729, 2041, 2639, 2983, 3857, 4553, 7163, 14287, 20881, 31871, 38779, 50141, 59189, 86507, 271453, 414323, 605549, 1124591, 7872137]

約数ペア:

[(1, 7872137), (7, 1124591), (13, 605549), (19, 414323), (29, 271453), (91, 86507), (133, 59189), (157, 50141), (203, 38779), (247, 31871), (377, 20881), (551, 14287), (1099, 7163), (1729, 4553), (2041, 3857), (2639, 2983)]