64738726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2591}}^1$

素因数の和:2668

約数の個数: 24

約数和(自身を含む): 108101952

約数和(自身を除く): 43363226

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 2591, 5182, 12493, 24986, 33683, 67366, 80321, 160642, 1044173, 2088346, 2489951, 4979902, 32369363, 64738726]

約数ペア:

[(1, 64738726), (2, 32369363), (13, 4979902), (26, 2489951), (31, 2088346), (62, 1044173), (403, 160642), (806, 80321), (961, 67366), (1922, 33683), (2591, 24986), (5182, 12493)]