81568270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 174254976

約数和(自身を除く): 92686706

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 97, 194, 205, 287, 293, 410, 485, 574, 586, 679, 970, 1358, 1435, 1465, 2051, 2870, 2930, 3395, 3977, 4102, 6790, 7954, 10255, 12013, 19885, 20510, 24026, 27839, 28421, 39770, 55678, 56842, 60065, 84091, 120130, 139195, 142105, 168182, 198947, 278390, 284210, 397894, 420455, 840910, 994735, 1165261, 1989470, 2330522, 5826305, 8156827, 11652610, 16313654, 40784135, 81568270]

約数ペア:

[(1, 81568270), (2, 40784135), (5, 16313654), (7, 11652610), (10, 8156827), (14, 5826305), (35, 2330522), (41, 1989470), (70, 1165261), (82, 994735), (97, 840910), (194, 420455), (205, 397894), (287, 284210), (293, 278390), (410, 198947), (485, 168182), (574, 142105), (586, 139195), (679, 120130), (970, 84091), (1358, 60065), (1435, 56842), (1465, 55678), (2051, 39770), (2870, 28421), (2930, 27839), (3395, 24026), (3977, 20510), (4102, 19885), (6790, 12013), (7954, 10255)]