198039037

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 237437376

約数和(自身を除く): 39398339

約数列:

[1, 7, 43, 49, 193, 301, 487, 1351, 2107, 3409, 8299, 9457, 20941, 23863, 58093, 93991, 146587, 406651, 657937, 1026109, 4041613, 4605559, 28291291, 198039037]

約数ペア:

[(1, 198039037), (7, 28291291), (43, 4605559), (49, 4041613), (193, 1026109), (301, 657937), (487, 406651), (1351, 146587), (2107, 93991), (3409, 58093), (8299, 23863), (9457, 20941)]