639837643

素因数分解:

${\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 674028000

約数和(自身を除く): 34190357

約数列:

[1, 29, 89, 157, 1579, 2581, 4553, 13973, 45791, 140531, 247903, 405217, 4075399, 7189187, 22063367, 639837643]

約数ペア:

[(1, 639837643), (29, 22063367), (89, 7189187), (157, 4075399), (1579, 405217), (2581, 247903), (4553, 140531), (13973, 45791)]