127564970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4931}}^1$

素因数の和:5150

約数の個数: 32

約数和(自身を含む): 248572800

約数和(自身を除く): 121007830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 4931, 5174, 9862, 12935, 24655, 25870, 49310, 64103, 128206, 320515, 641030, 981269, 1962538, 4906345, 9812690, 12756497, 25512994, 63782485, 127564970]

約数ペア:

[(1, 127564970), (2, 63782485), (5, 25512994), (10, 12756497), (13, 9812690), (26, 4906345), (65, 1962538), (130, 981269), (199, 641030), (398, 320515), (995, 128206), (1990, 64103), (2587, 49310), (4931, 25870), (5174, 24655), (9862, 12935)]