1388404797

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{18379}}^1$

素因数の和:18557

約数の個数: 24

約数和(自身を含む): 2018124000

約数和(自身を除く): 629719203

約数列:

[1, 3, 13, 39, 149, 169, 447, 507, 1937, 5811, 18379, 25181, 55137, 75543, 238927, 716781, 2738471, 3106051, 8215413, 9318153, 35600123, 106800369, 462801599, 1388404797]

約数ペア:

[(1, 1388404797), (3, 462801599), (13, 106800369), (39, 35600123), (149, 9318153), (169, 8215413), (447, 3106051), (507, 2738471), (1937, 716781), (5811, 238927), (18379, 75543), (25181, 55137)]