257466126

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{640463}}^1$

素因数の和:640535

約数の個数: 16

約数和(自身を含む): 522618624

約数和(自身を除く): 265152498

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 640463, 1280926, 1921389, 3842778, 42911021, 85822042, 128733063, 257466126]

約数ペア:

[(1, 257466126), (2, 128733063), (3, 85822042), (6, 42911021), (67, 3842778), (134, 1921389), (201, 1280926), (402, 640463)]