81642756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523351}}^1$

素因数の和:523371

約数の個数: 24

約数和(自身を含む): 205153984

約数和(自身を除く): 123511228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523351, 1046702, 1570053, 2093404, 3140106, 6280212, 6803563, 13607126, 20410689, 27214252, 40821378, 81642756]

約数ペア:

[(1, 81642756), (2, 40821378), (3, 27214252), (4, 20410689), (6, 13607126), (12, 6803563), (13, 6280212), (26, 3140106), (39, 2093404), (52, 1570053), (78, 1046702), (156, 523351)]