64937005

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2087}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 91404288

約数和(自身を除く): 26467283

約数列:

[1, 5, 7, 35, 49, 127, 245, 635, 889, 2087, 4445, 6223, 10435, 14609, 31115, 73045, 102263, 265049, 511315, 1325245, 1855343, 9276715, 12987401, 64937005]

約数ペア:

[(1, 64937005), (5, 12987401), (7, 9276715), (35, 1855343), (49, 1325245), (127, 511315), (245, 265049), (635, 102263), (889, 73045), (2087, 31115), (4445, 14609), (6223, 10435)]