64081648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{138107}}^1$

素因数の和:138144

約数の個数: 20

約数和(自身を含む): 128440440

約数和(自身を除く): 64358792

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 138107, 276214, 552428, 1104856, 2209712, 4005103, 8010206, 16020412, 32040824, 64081648]

約数ペア:

[(1, 64081648), (2, 32040824), (4, 16020412), (8, 8010206), (16, 4005103), (29, 2209712), (58, 1104856), (116, 552428), (232, 276214), (464, 138107)]