9998975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 15007968

約数和(自身を除く): 5008993

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 3361, 16805, 23527, 57137, 84025, 117635, 285685, 399959, 588175, 1428425, 1999795, 9998975]

約数ペア:

[(1, 9998975), (5, 1999795), (7, 1428425), (17, 588175), (25, 399959), (35, 285685), (85, 117635), (119, 84025), (175, 57137), (425, 23527), (595, 16805), (2975, 3361)]