1638508748

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{140717}}^1$

素因数の和:140833

約数の個数: 24

約数和(自身を含む): 2978718624

約数和(自身を除く): 1340209876

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 2911, 5822, 11644, 140717, 281434, 562868, 5769397, 9990907, 11538794, 19981814, 23077588, 39963628, 409627187, 819254374, 1638508748]

約数ペア:

[(1, 1638508748), (2, 819254374), (4, 409627187), (41, 39963628), (71, 23077588), (82, 19981814), (142, 11538794), (164, 9990907), (284, 5769397), (2911, 562868), (5822, 281434), (11644, 140717)]