64885975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 103136256

約数和(自身を除く): 38250281

約数列:

[1, 5, 7, 11, 25, 35, 37, 55, 77, 175, 185, 259, 275, 385, 407, 911, 925, 1295, 1925, 2035, 2849, 4555, 6377, 6475, 10021, 10175, 14245, 22775, 31885, 33707, 50105, 70147, 71225, 159425, 168535, 235949, 250525, 350735, 370777, 842675, 1179745, 1753675, 1853885, 2595439, 5898725, 9269425, 12977195, 64885975]

約数ペア:

[(1, 64885975), (5, 12977195), (7, 9269425), (11, 5898725), (25, 2595439), (35, 1853885), (37, 1753675), (55, 1179745), (77, 842675), (175, 370777), (185, 350735), (259, 250525), (275, 235949), (385, 168535), (407, 159425), (911, 71225), (925, 70147), (1295, 50105), (1925, 33707), (2035, 31885), (2849, 22775), (4555, 14245), (6377, 10175), (6475, 10021)]