2007990016

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{80863}}^1$

素因数の和:80976

約数の個数: 36

約数和(自身を含む): 4049507392

約数和(自身を除く): 2041517376

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 1552, 3104, 6208, 12416, 24832, 80863, 161726, 323452, 646904, 1293808, 2587616, 5175232, 7843711, 10350464, 15687422, 20700928, 31374844, 62749688, 125499376, 250998752, 501997504, 1003995008, 2007990016]

約数ペア:

[(1, 2007990016), (2, 1003995008), (4, 501997504), (8, 250998752), (16, 125499376), (32, 62749688), (64, 31374844), (97, 20700928), (128, 15687422), (194, 10350464), (256, 7843711), (388, 5175232), (776, 2587616), (1552, 1293808), (3104, 646904), (6208, 323452), (12416, 161726), (24832, 80863)]