81151802

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 129600000

約数和(自身を除く): 48448198

約数列:

[1, 2, 29, 58, 79, 89, 158, 178, 199, 398, 2291, 2581, 4582, 5162, 5771, 7031, 11542, 14062, 15721, 17711, 31442, 35422, 203899, 407798, 455909, 513619, 911818, 1027238, 1399169, 2798338, 40575901, 81151802]

約数ペア:

[(1, 81151802), (2, 40575901), (29, 2798338), (58, 1399169), (79, 1027238), (89, 911818), (158, 513619), (178, 455909), (199, 407798), (398, 203899), (2291, 35422), (2581, 31442), (4582, 17711), (5162, 15721), (5771, 14062), (7031, 11542)]