55775555

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 80900640

約数和(自身を除く): 25125085

約数列:

[1, 5, 11, 17, 29, 55, 85, 121, 145, 187, 289, 319, 493, 605, 935, 1331, 1445, 1595, 2057, 2465, 3179, 3509, 5423, 6655, 8381, 10285, 15895, 17545, 22627, 27115, 34969, 38599, 41905, 59653, 92191, 113135, 174845, 192995, 298265, 384659, 460955, 656183, 1014101, 1923295, 3280915, 5070505, 11155111, 55775555]

約数ペア:

[(1, 55775555), (5, 11155111), (11, 5070505), (17, 3280915), (29, 1923295), (55, 1014101), (85, 656183), (121, 460955), (145, 384659), (187, 298265), (289, 192995), (319, 174845), (493, 113135), (605, 92191), (935, 59653), (1331, 41905), (1445, 38599), (1595, 34969), (2057, 27115), (2465, 22627), (3179, 17545), (3509, 15895), (5423, 10285), (6655, 8381)]