13312901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 16128000

約数和(自身を除く): 2815099

約数列:

[1, 7, 19, 133, 199, 503, 1393, 3521, 3781, 9557, 26467, 66899, 100097, 700679, 1901843, 13312901]

約数ペア:

[(1, 13312901), (7, 1901843), (19, 700679), (133, 100097), (199, 66899), (503, 26467), (1393, 9557), (3521, 3781)]