8286978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 19600704

約数和(自身を除く): 11313726

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 397, 426, 497, 794, 994, 1191, 1491, 2382, 2779, 2982, 3479, 5558, 6958, 8337, 10437, 16674, 19453, 20874, 28187, 38906, 56374, 58359, 84561, 116718, 169122, 197309, 394618, 591927, 1183854, 1381163, 2762326, 4143489, 8286978]

約数ペア:

[(1, 8286978), (2, 4143489), (3, 2762326), (6, 1381163), (7, 1183854), (14, 591927), (21, 394618), (42, 197309), (49, 169122), (71, 116718), (98, 84561), (142, 58359), (147, 56374), (213, 38906), (294, 28187), (397, 20874), (426, 19453), (497, 16674), (794, 10437), (994, 8337), (1191, 6958), (1491, 5558), (2382, 3479), (2779, 2982)]