668848895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{32257}}^1$

素因数の和:32315

約数の個数: 32

約数和(自身を含む): 975481920

約数和(自身を除く): 306633025

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1595, 1885, 4147, 20735, 32257, 161285, 354827, 419341, 935453, 1774135, 2096705, 4612751, 4677265, 10289983, 12160889, 23063755, 51449915, 60804445, 133769779, 668848895]

約数ペア:

[(1, 668848895), (5, 133769779), (11, 60804445), (13, 51449915), (29, 23063755), (55, 12160889), (65, 10289983), (143, 4677265), (145, 4612751), (319, 2096705), (377, 1774135), (715, 935453), (1595, 419341), (1885, 354827), (4147, 161285), (20735, 32257)]