157717424

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{9887}}^1$

素因数の和:10892

約数の個数: 20

約数和(自身を含む): 305914944

約数和(自身を除く): 148197520

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 9887, 15952, 19774, 39548, 79096, 158192, 9857339, 19714678, 39429356, 78858712, 157717424]

約数ペア:

[(1, 157717424), (2, 78858712), (4, 39429356), (8, 19714678), (16, 9857339), (997, 158192), (1994, 79096), (3988, 39548), (7976, 19774), (9887, 15952)]