81198104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 170903040

約数和(自身を除く): 89704936

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 67, 86, 104, 134, 172, 268, 271, 344, 536, 542, 559, 871, 1084, 1118, 1742, 2168, 2236, 2881, 3484, 3523, 4472, 5762, 6968, 7046, 11524, 11653, 14092, 18157, 23048, 23306, 28184, 36314, 37453, 46612, 72628, 74906, 93224, 145256, 149812, 151489, 236041, 299624, 302978, 472082, 605956, 780751, 944164, 1211912, 1561502, 1888328, 3123004, 6246008, 10149763, 20299526, 40599052, 81198104]

約数ペア:

[(1, 81198104), (2, 40599052), (4, 20299526), (8, 10149763), (13, 6246008), (26, 3123004), (43, 1888328), (52, 1561502), (67, 1211912), (86, 944164), (104, 780751), (134, 605956), (172, 472082), (268, 302978), (271, 299624), (344, 236041), (536, 151489), (542, 149812), (559, 145256), (871, 93224), (1084, 74906), (1118, 72628), (1742, 46612), (2168, 37453), (2236, 36314), (2881, 28184), (3484, 23306), (3523, 23048), (4472, 18157), (5762, 14092), (6968, 11653), (7046, 11524)]