256156688

素因数分解:

$2^4\times {\mathrm{757}}^1\times {\mathrm{21149}}^1$

素因数の和:21914

約数の個数: 20

約数和(自身を含む): 496982700

約数和(自身を除く): 240826012

約数列:

[1, 2, 4, 8, 16, 757, 1514, 3028, 6056, 12112, 21149, 42298, 84596, 169192, 338384, 16009793, 32019586, 64039172, 128078344, 256156688]

約数ペア:

[(1, 256156688), (2, 128078344), (4, 64039172), (8, 32019586), (16, 16009793), (757, 338384), (1514, 169192), (3028, 84596), (6056, 42298), (12112, 21149)]