3971630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 7789824

約数和(自身を除く): 3818194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 223, 274, 446, 685, 1115, 1370, 1781, 2230, 2899, 3562, 5798, 8905, 14495, 17810, 28990, 30551, 61102, 152755, 305510, 397163, 794326, 1985815, 3971630]

約数ペア:

[(1, 3971630), (2, 1985815), (5, 794326), (10, 397163), (13, 305510), (26, 152755), (65, 61102), (130, 30551), (137, 28990), (223, 17810), (274, 14495), (446, 8905), (685, 5798), (1115, 3562), (1370, 2899), (1781, 2230)]