289408728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{6703}}^1$

素因数の和:6976

約数の個数: 64

約数和(自身を含む): 830223360

約数和(自身を除く): 540814632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 5397, 6168, 6703, 7196, 10794, 13406, 14392, 20109, 21588, 26812, 40218, 43176, 46921, 53624, 80436, 93842, 140763, 160872, 187684, 281526, 375368, 563052, 1126104, 1722671, 3445342, 5168013, 6890684, 10336026, 12058697, 13781368, 20672052, 24117394, 36176091, 41344104, 48234788, 72352182, 96469576, 144704364, 289408728]

約数ペア:

[(1, 289408728), (2, 144704364), (3, 96469576), (4, 72352182), (6, 48234788), (7, 41344104), (8, 36176091), (12, 24117394), (14, 20672052), (21, 13781368), (24, 12058697), (28, 10336026), (42, 6890684), (56, 5168013), (84, 3445342), (168, 1722671), (257, 1126104), (514, 563052), (771, 375368), (1028, 281526), (1542, 187684), (1799, 160872), (2056, 140763), (3084, 93842), (3598, 80436), (5397, 53624), (6168, 46921), (6703, 43176), (7196, 40218), (10794, 26812), (13406, 21588), (14392, 20109)]