129453985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{1279}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 160727040

約数和(自身を除く): 31273055

約数列:

[1, 5, 31, 155, 653, 1279, 3265, 6395, 20243, 39649, 101215, 198245, 835187, 4175935, 25890797, 129453985]

約数ペア:

[(1, 129453985), (5, 25890797), (31, 4175935), (155, 835187), (653, 198245), (1279, 101215), (3265, 39649), (6395, 20243)]