64065785

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 94556160

約数和(自身を除く): 30490375

約数列:

[1, 5, 7, 29, 35, 49, 71, 127, 145, 203, 245, 355, 497, 635, 889, 1015, 1421, 2059, 2485, 3479, 3683, 4445, 6223, 7105, 9017, 10295, 14413, 17395, 18415, 25781, 31115, 45085, 63119, 72065, 100891, 128905, 180467, 261493, 315595, 441833, 504455, 902335, 1307465, 1830451, 2209165, 9152255, 12813157, 64065785]

約数ペア:

[(1, 64065785), (5, 12813157), (7, 9152255), (29, 2209165), (35, 1830451), (49, 1307465), (71, 902335), (127, 504455), (145, 441833), (203, 315595), (245, 261493), (355, 180467), (497, 128905), (635, 100891), (889, 72065), (1015, 63119), (1421, 45085), (2059, 31115), (2485, 25781), (3479, 18415), (3683, 17395), (4445, 14413), (6223, 10295), (7105, 9017)]