1238888428

素因数分解:

$2^2\times {\mathrm{79}}^2\times {\mathrm{49627}}^1$

素因数の和:49789

約数の個数: 18

約数和(自身を含む): 2195890116

約数和(自身を除く): 957001688

約数列:

[1, 2, 4, 79, 158, 316, 6241, 12482, 24964, 49627, 99254, 198508, 3920533, 7841066, 15682132, 309722107, 619444214, 1238888428]

約数ペア:

[(1, 1238888428), (2, 619444214), (4, 309722107), (79, 15682132), (158, 7841066), (316, 3920533), (6241, 198508), (12482, 99254), (24964, 49627)]