309991128

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2352

約数の個数: 64

約数和(自身を含む): 799075200

約数和(自身を除く): 489084072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 139, 172, 258, 278, 344, 417, 516, 556, 834, 1032, 1112, 1668, 2161, 3336, 4322, 5977, 6483, 8644, 11954, 12966, 17288, 17931, 23908, 25932, 35862, 47816, 51864, 71724, 92923, 143448, 185846, 278769, 300379, 371692, 557538, 600758, 743384, 901137, 1115076, 1201516, 1802274, 2230152, 2403032, 3604548, 7209096, 12916297, 25832594, 38748891, 51665188, 77497782, 103330376, 154995564, 309991128]

約数ペア:

[(1, 309991128), (2, 154995564), (3, 103330376), (4, 77497782), (6, 51665188), (8, 38748891), (12, 25832594), (24, 12916297), (43, 7209096), (86, 3604548), (129, 2403032), (139, 2230152), (172, 1802274), (258, 1201516), (278, 1115076), (344, 901137), (417, 743384), (516, 600758), (556, 557538), (834, 371692), (1032, 300379), (1112, 278769), (1668, 185846), (2161, 143448), (3336, 92923), (4322, 71724), (5977, 51864), (6483, 47816), (8644, 35862), (11954, 25932), (12966, 23908), (17288, 17931)]