165481216

素因数分解:

$2^8\times {\mathrm{646411}}^1$

素因数の和:646427

約数の個数: 18

約数和(自身を含む): 330316532

約数和(自身を除く): 164835316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 646411, 1292822, 2585644, 5171288, 10342576, 20685152, 41370304, 82740608, 165481216]

約数ペア:

[(1, 165481216), (2, 82740608), (4, 41370304), (8, 20685152), (16, 10342576), (32, 5171288), (64, 2585644), (128, 1292822), (256, 646411)]