666507968

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13649}}^1$

素因数の和:13777

約数の個数: 56

約数和(自身を含む): 1525524000

約数和(自身を除く): 859016032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 763, 872, 1526, 1744, 3052, 3488, 6104, 6976, 12208, 13649, 24416, 27298, 48832, 54596, 95543, 109192, 191086, 218384, 382172, 436768, 764344, 873536, 1487741, 1528688, 2975482, 3057376, 5950964, 6114752, 10414187, 11901928, 20828374, 23803856, 41656748, 47607712, 83313496, 95215424, 166626992, 333253984, 666507968]

約数ペア:

[(1, 666507968), (2, 333253984), (4, 166626992), (7, 95215424), (8, 83313496), (14, 47607712), (16, 41656748), (28, 23803856), (32, 20828374), (56, 11901928), (64, 10414187), (109, 6114752), (112, 5950964), (218, 3057376), (224, 2975482), (436, 1528688), (448, 1487741), (763, 873536), (872, 764344), (1526, 436768), (1744, 382172), (3052, 218384), (3488, 191086), (6104, 109192), (6976, 95543), (12208, 54596), (13649, 48832), (24416, 27298)]