285215231

素因数分解:

$7^2\times {\mathrm{137}}^1\times {\mathrm{42487}}^1$

素因数の和:42638

約数の個数: 12

約数和(自身を含む): 334210608

約数和(自身を除く): 48995377

約数列:

[1, 7, 49, 137, 959, 6713, 42487, 297409, 2081863, 5820719, 40745033, 285215231]

約数ペア:

[(1, 285215231), (7, 40745033), (49, 5820719), (137, 2081863), (959, 297409), (6713, 42487)]