64157785

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 78080400

約数和(自身を除く): 13922615

約数列:

[1, 5, 137, 229, 409, 685, 1145, 2045, 31373, 56033, 93661, 156865, 280165, 468305, 12831557, 64157785]

約数ペア:

[(1, 64157785), (5, 12831557), (137, 468305), (229, 280165), (409, 156865), (685, 93661), (1145, 56033), (2045, 31373)]