320120138

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{8689}}^1$

素因数の和:8826

約数の個数: 24

約数和(自身を含む): 524789100

約数和(自身を除く): 204668962

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 1417, 2834, 8689, 17378, 18421, 36842, 112957, 225914, 947101, 1468441, 1894202, 2936882, 12312313, 24624626, 160060069, 320120138]

約数ペア:

[(1, 320120138), (2, 160060069), (13, 24624626), (26, 12312313), (109, 2936882), (169, 1894202), (218, 1468441), (338, 947101), (1417, 225914), (2834, 112957), (8689, 36842), (17378, 18421)]