12399824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 25043040

約数和(自身を除く): 12643216

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 269, 344, 536, 538, 688, 1072, 1076, 2152, 2881, 4304, 5762, 11524, 11567, 18023, 23048, 23134, 36046, 46096, 46268, 72092, 92536, 144184, 185072, 288368, 774989, 1549978, 3099956, 6199912, 12399824]

約数ペア:

[(1, 12399824), (2, 6199912), (4, 3099956), (8, 1549978), (16, 774989), (43, 288368), (67, 185072), (86, 144184), (134, 92536), (172, 72092), (268, 46268), (269, 46096), (344, 36046), (536, 23134), (538, 23048), (688, 18023), (1072, 11567), (1076, 11524), (2152, 5762), (2881, 4304)]