388681115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 513656640

約数和(自身を除く): 124975525

約数列:

[1, 5, 17, 37, 83, 85, 185, 415, 629, 1411, 1489, 3071, 3145, 7055, 7445, 15355, 25313, 52207, 55093, 123587, 126565, 261035, 275465, 617935, 936581, 2100979, 4572719, 4682905, 10504895, 22863595, 77736223, 388681115]

約数ペア:

[(1, 388681115), (5, 77736223), (17, 22863595), (37, 10504895), (83, 4682905), (85, 4572719), (185, 2100979), (415, 936581), (629, 617935), (1411, 275465), (1489, 261035), (3071, 126565), (3145, 123587), (7055, 55093), (7445, 52207), (15355, 25313)]