28705992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{709}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 82473600

約数和(自身を除く): 53767608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 241, 482, 709, 723, 964, 1418, 1446, 1687, 1928, 2127, 2836, 2892, 3374, 4254, 4963, 5061, 5672, 5784, 6748, 8508, 9926, 10122, 13496, 14889, 17016, 19852, 20244, 29778, 39704, 40488, 59556, 119112, 170869, 341738, 512607, 683476, 1025214, 1196083, 1366952, 2050428, 2392166, 3588249, 4100856, 4784332, 7176498, 9568664, 14352996, 28705992]

約数ペア:

[(1, 28705992), (2, 14352996), (3, 9568664), (4, 7176498), (6, 4784332), (7, 4100856), (8, 3588249), (12, 2392166), (14, 2050428), (21, 1366952), (24, 1196083), (28, 1025214), (42, 683476), (56, 512607), (84, 341738), (168, 170869), (241, 119112), (482, 59556), (709, 40488), (723, 39704), (964, 29778), (1418, 20244), (1446, 19852), (1687, 17016), (1928, 14889), (2127, 13496), (2836, 10122), (2892, 9926), (3374, 8508), (4254, 6748), (4963, 5784), (5061, 5672)]