820616

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 1562640

約数和(自身を除く): 742024

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1531, 3062, 6124, 12248, 102577, 205154, 410308, 820616]

約数ペア:

[(1, 820616), (2, 410308), (4, 205154), (8, 102577), (67, 12248), (134, 6124), (268, 3062), (536, 1531)]