139254338

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{1999}}^1$

素因数の和:2633

約数の個数: 16

約数和(自身を含む): 212784000

約数和(自身を除く): 73529662

約数列:

[1, 2, 61, 122, 571, 1142, 1999, 3998, 34831, 69662, 121939, 243878, 1141429, 2282858, 69627169, 139254338]

約数ペア:

[(1, 139254338), (2, 69627169), (61, 2282858), (122, 1141429), (571, 243878), (1142, 121939), (1999, 69662), (3998, 34831)]