51642787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 64429344

約数和(自身を除く): 12786557

約数列:

[1, 7, 17, 37, 119, 259, 317, 629, 1369, 2219, 4403, 5389, 9583, 11729, 23273, 37723, 82103, 162911, 199393, 433973, 1395751, 3037811, 7377541, 51642787]

約数ペア:

[(1, 51642787), (7, 7377541), (17, 3037811), (37, 1395751), (119, 433973), (259, 199393), (317, 162911), (629, 82103), (1369, 37723), (2219, 23273), (4403, 11729), (5389, 9583)]