2643856

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1266

約数の個数: 20

約数和(自身を含む): 5161500

約数和(自身を除く): 2517644

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1109, 1192, 2218, 2384, 4436, 8872, 17744, 165241, 330482, 660964, 1321928, 2643856]

約数ペア:

[(1, 2643856), (2, 1321928), (4, 660964), (8, 330482), (16, 165241), (149, 17744), (298, 8872), (596, 4436), (1109, 2384), (1192, 2218)]