667667

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 32

約数和(自身を含む): 967680

約数和(自身を除く): 300013

約数列:

[1, 7, 11, 13, 23, 29, 77, 91, 143, 161, 203, 253, 299, 319, 377, 667, 1001, 1771, 2093, 2233, 2639, 3289, 4147, 4669, 7337, 8671, 23023, 29029, 51359, 60697, 95381, 667667]

約数ペア:

[(1, 667667), (7, 95381), (11, 60697), (13, 51359), (23, 29029), (29, 23023), (77, 8671), (91, 7337), (143, 4669), (161, 4147), (203, 3289), (253, 2639), (299, 2233), (319, 2093), (377, 1771), (667, 1001)]