339979199

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 421494480

約数和(自身を除く): 81515281

約数列:

[1, 7, 37, 43, 49, 89, 259, 301, 343, 623, 1591, 1813, 2107, 2401, 3293, 3827, 4361, 11137, 12691, 14749, 23051, 26789, 30527, 77959, 88837, 103243, 141599, 161357, 187523, 213689, 545713, 991193, 1129499, 1312661, 3819991, 6938351, 7906493, 9188627, 48568457, 339979199]

約数ペア:

[(1, 339979199), (7, 48568457), (37, 9188627), (43, 7906493), (49, 6938351), (89, 3819991), (259, 1312661), (301, 1129499), (343, 991193), (623, 545713), (1591, 213689), (1813, 187523), (2107, 161357), (2401, 141599), (3293, 103243), (3827, 88837), (4361, 77959), (11137, 30527), (12691, 26789), (14749, 23051)]