640778099

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{21839}}^1$

素因数の和:21950

約数の個数: 16

約数和(自身を含む): 720370560

約数和(自身を除く): 79592461

約数列:

[1, 13, 37, 61, 481, 793, 2257, 21839, 29341, 283907, 808043, 1332179, 10504559, 17318327, 49290623, 640778099]

約数ペア:

[(1, 640778099), (13, 49290623), (37, 17318327), (61, 10504559), (481, 1332179), (793, 808043), (2257, 283907), (21839, 29341)]