87638156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{2129}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 157807440

約数和(自身を除く): 70169284

約数列:

[1, 2, 4, 41, 82, 164, 251, 502, 1004, 2129, 4258, 8516, 10291, 20582, 41164, 87289, 174578, 349156, 534379, 1068758, 2137516, 21909539, 43819078, 87638156]

約数ペア:

[(1, 87638156), (2, 43819078), (4, 21909539), (41, 2137516), (82, 1068758), (164, 534379), (251, 349156), (502, 174578), (1004, 87289), (2129, 41164), (4258, 20582), (8516, 10291)]