78874168

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 161300160

約数和(自身を除く): 82425992

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 361, 589, 722, 881, 1178, 1444, 1762, 2356, 2888, 3524, 4712, 7048, 11191, 16739, 22382, 27311, 33478, 44764, 54622, 66956, 89528, 109244, 133912, 218488, 318041, 518909, 636082, 1037818, 1272164, 2075636, 2544328, 4151272, 9859271, 19718542, 39437084, 78874168]

約数ペア:

[(1, 78874168), (2, 39437084), (4, 19718542), (8, 9859271), (19, 4151272), (31, 2544328), (38, 2075636), (62, 1272164), (76, 1037818), (124, 636082), (152, 518909), (248, 318041), (361, 218488), (589, 133912), (722, 109244), (881, 89528), (1178, 66956), (1444, 54622), (1762, 44764), (2356, 33478), (2888, 27311), (3524, 22382), (4712, 16739), (7048, 11191)]