681330785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 895104000

約数和(自身を除く): 213773215

約数列:

[1, 5, 19, 29, 95, 145, 223, 551, 1109, 1115, 2755, 4237, 5545, 6467, 21071, 21185, 32161, 32335, 105355, 122873, 160805, 247307, 611059, 614365, 1236535, 3055295, 4698833, 7171903, 23494165, 35859515, 136266157, 681330785]

約数ペア:

[(1, 681330785), (5, 136266157), (19, 35859515), (29, 23494165), (95, 7171903), (145, 4698833), (223, 3055295), (551, 1236535), (1109, 614365), (1115, 611059), (2755, 247307), (4237, 160805), (5545, 122873), (6467, 105355), (21071, 32335), (21185, 32161)]