247966607

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2731}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 308333520

約数和(自身を除く): 60366913

約数列:

[1, 7, 17, 49, 109, 119, 763, 833, 1853, 2731, 5341, 12971, 19117, 46427, 90797, 133819, 297679, 324989, 2083753, 2274923, 5060543, 14586271, 35423801, 247966607]

約数ペア:

[(1, 247966607), (7, 35423801), (17, 14586271), (49, 5060543), (109, 2274923), (119, 2083753), (763, 324989), (833, 297679), (1853, 133819), (2731, 90797), (5341, 46427), (12971, 19117)]