305258239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 382233600

約数和(自身を除く): 76975361

約数列:

[1, 11, 13, 17, 143, 187, 199, 221, 631, 2189, 2431, 2587, 3383, 6941, 8203, 10727, 28457, 37213, 43979, 90233, 117997, 125569, 139451, 483769, 1381259, 1533961, 1632397, 2134673, 17956367, 23481403, 27750749, 305258239]

約数ペア:

[(1, 305258239), (11, 27750749), (13, 23481403), (17, 17956367), (143, 2134673), (187, 1632397), (199, 1533961), (221, 1381259), (631, 483769), (2189, 139451), (2431, 125569), (2587, 117997), (3383, 90233), (6941, 43979), (8203, 37213), (10727, 28457)]