388616501

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 510879600

約数和(自身を除く): 122263099

約数列:

[1, 7, 13, 29, 49, 91, 109, 193, 203, 377, 637, 763, 1351, 1417, 1421, 2509, 2639, 3161, 5341, 5597, 9457, 9919, 17563, 18473, 21037, 22127, 39179, 41093, 69433, 72761, 122941, 147259, 154889, 273481, 274253, 287651, 509327, 610073, 1030813, 1914367, 2013557, 3565289, 4270511, 7930949, 13400569, 29893577, 55516643, 388616501]

約数ペア:

[(1, 388616501), (7, 55516643), (13, 29893577), (29, 13400569), (49, 7930949), (91, 4270511), (109, 3565289), (193, 2013557), (203, 1914367), (377, 1030813), (637, 610073), (763, 509327), (1351, 287651), (1417, 274253), (1421, 273481), (2509, 154889), (2639, 147259), (3161, 122941), (5341, 72761), (5597, 69433), (9457, 41093), (9919, 39179), (17563, 22127), (18473, 21037)]