80481961

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 100465920

約数和(自身を除く): 19983959

約数列:

[1, 7, 17, 49, 79, 119, 553, 833, 1223, 1343, 3871, 8561, 9401, 20791, 59927, 65807, 96617, 145537, 676319, 1018759, 1642489, 4734233, 11497423, 80481961]

約数ペア:

[(1, 80481961), (7, 11497423), (17, 4734233), (49, 1642489), (79, 1018759), (119, 676319), (553, 145537), (833, 96617), (1223, 65807), (1343, 59927), (3871, 20791), (8561, 9401)]