388403769

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{187907}}^1$

素因数の和:187976

約数の個数: 16

約数和(自身を含む): 568233792

約数和(自身を除く): 179830023

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 187907, 563721, 2442791, 7328373, 9959071, 29877213, 129467923, 388403769]

約数ペア:

[(1, 388403769), (3, 129467923), (13, 29877213), (39, 9959071), (53, 7328373), (159, 2442791), (689, 563721), (2067, 187907)]