394384795

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{709}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 566000640

約数和(自身を除く): 171615845

約数列:

[1, 5, 7, 23, 35, 115, 161, 691, 709, 805, 3455, 3545, 4837, 4963, 15893, 16307, 24185, 24815, 79465, 81535, 111251, 114149, 489919, 556255, 570745, 2449595, 3429433, 11268137, 17147165, 56340685, 78876959, 394384795]

約数ペア:

[(1, 394384795), (5, 78876959), (7, 56340685), (23, 17147165), (35, 11268137), (115, 3429433), (161, 2449595), (691, 570745), (709, 556255), (805, 489919), (3455, 114149), (3545, 111251), (4837, 81535), (4963, 79465), (15893, 24815), (16307, 24185)]