9781728970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{104651}}^1$

素因数の和:105390

約数の個数: 32

約数和(自身を含む): 18988058880

約数和(自身を除く): 9206329910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 719, 1438, 3595, 7190, 9347, 18694, 46735, 93470, 104651, 209302, 523255, 1046510, 1360463, 2720926, 6802315, 13604630, 75244069, 150488138, 376220345, 752440690, 978172897, 1956345794, 4890864485, 9781728970]

約数ペア:

[(1, 9781728970), (2, 4890864485), (5, 1956345794), (10, 978172897), (13, 752440690), (26, 376220345), (65, 150488138), (130, 75244069), (719, 13604630), (1438, 6802315), (3595, 2720926), (7190, 1360463), (9347, 1046510), (18694, 523255), (46735, 209302), (93470, 104651)]