217387874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 387052344

約数和(自身を除く): 169664470

約数列:

[1, 2, 11, 17, 22, 34, 53, 106, 121, 187, 242, 374, 583, 901, 997, 1166, 1802, 1994, 2057, 4114, 6413, 9911, 10967, 12826, 16949, 19822, 21934, 33898, 52841, 105682, 109021, 120637, 186439, 218042, 241274, 372878, 581251, 898297, 1162502, 1796594, 2050829, 4101658, 6393761, 9881267, 12787522, 19762534, 108693937, 217387874]

約数ペア:

[(1, 217387874), (2, 108693937), (11, 19762534), (17, 12787522), (22, 9881267), (34, 6393761), (53, 4101658), (106, 2050829), (121, 1796594), (187, 1162502), (242, 898297), (374, 581251), (583, 372878), (901, 241274), (997, 218042), (1166, 186439), (1802, 120637), (1994, 109021), (2057, 105682), (4114, 52841), (6413, 33898), (9911, 21934), (10967, 19822), (12826, 16949)]