388640535

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{20353}}^1$

素因数の和:20447

約数の個数: 32

約数和(自身を含む): 664354560

約数和(自身を除く): 275714025

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1273, 3819, 6365, 19095, 20353, 61059, 101765, 305295, 386707, 1160121, 1363651, 1933535, 4090953, 5800605, 6818255, 20454765, 25909369, 77728107, 129546845, 388640535]

約数ペア:

[(1, 388640535), (3, 129546845), (5, 77728107), (15, 25909369), (19, 20454765), (57, 6818255), (67, 5800605), (95, 4090953), (201, 1933535), (285, 1363651), (335, 1160121), (1005, 386707), (1273, 305295), (3819, 101765), (6365, 61059), (19095, 20353)]