139100255

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{128203}}^1$

素因数の和:128246

約数の個数: 16

約数和(自身を含む): 196921344

約数和(自身を除く): 57821089

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 128203, 641015, 897421, 3974293, 4487105, 19871465, 27820051, 139100255]

約数ペア:

[(1, 139100255), (5, 27820051), (7, 19871465), (31, 4487105), (35, 3974293), (155, 897421), (217, 641015), (1085, 128203)]