636668879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5295

約数の個数: 32

約数和(自身を含む): 834341376

約数和(自身を除く): 197672497

約数列:

[1, 7, 11, 37, 43, 77, 259, 301, 407, 473, 1591, 2849, 3311, 5197, 11137, 17501, 36379, 57167, 122507, 192289, 223471, 400169, 1346023, 1564297, 2115179, 2458181, 8268427, 14806253, 17207267, 57878989, 90952697, 636668879]

約数ペア:

[(1, 636668879), (7, 90952697), (11, 57878989), (37, 17207267), (43, 14806253), (77, 8268427), (259, 2458181), (301, 2115179), (407, 1564297), (473, 1346023), (1591, 400169), (2849, 223471), (3311, 192289), (5197, 122507), (11137, 57167), (17501, 36379)]