81561064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14797}}^1$

素因数の和:14869

約数の個数: 32

約数和(自身を含む): 167809320

約数和(自身を除く): 86248256

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 14797, 29594, 59188, 118376, 192361, 384722, 769444, 784241, 1538888, 1568482, 3136964, 6273928, 10195133, 20390266, 40780532, 81561064]

約数ペア:

[(1, 81561064), (2, 40780532), (4, 20390266), (8, 10195133), (13, 6273928), (26, 3136964), (52, 1568482), (53, 1538888), (104, 784241), (106, 769444), (212, 384722), (424, 192361), (689, 118376), (1378, 59188), (2756, 29594), (5512, 14797)]