68504513

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 88865280

約数和(自身を除く): 20360767

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 2387, 2609, 3751, 18263, 26257, 28699, 80879, 200893, 315689, 566153, 889669, 2209823, 6227683, 9786359, 68504513]

約数ペア:

[(1, 68504513), (7, 9786359), (11, 6227683), (31, 2209823), (77, 889669), (121, 566153), (217, 315689), (341, 200893), (847, 80879), (2387, 28699), (2609, 26257), (3751, 18263)]