77891110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 169081344

約数和(自身を除く): 91190234

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 782, 935, 1265, 1811, 1870, 1955, 2530, 3622, 3910, 4301, 8602, 9055, 18110, 19921, 21505, 30787, 39842, 41653, 43010, 61574, 83306, 99605, 153935, 199210, 208265, 307870, 338657, 416530, 458183, 677314, 708101, 916366, 1416202, 1693285, 2290915, 3386570, 3540505, 4581830, 7081010, 7789111, 15578222, 38945555, 77891110]

約数ペア:

[(1, 77891110), (2, 38945555), (5, 15578222), (10, 7789111), (11, 7081010), (17, 4581830), (22, 3540505), (23, 3386570), (34, 2290915), (46, 1693285), (55, 1416202), (85, 916366), (110, 708101), (115, 677314), (170, 458183), (187, 416530), (230, 338657), (253, 307870), (374, 208265), (391, 199210), (506, 153935), (782, 99605), (935, 83306), (1265, 61574), (1811, 43010), (1870, 41653), (1955, 39842), (2530, 30787), (3622, 21505), (3910, 19921), (4301, 18110), (8602, 9055)]