261111604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{264283}}^1$

素因数の和:264319

約数の個数: 24

約数和(自身を含む): 517996640

約数和(自身を除く): 256885036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 264283, 528566, 1057132, 3435679, 5021377, 6871358, 10042754, 13742716, 20085508, 65277901, 130555802, 261111604]

約数ペア:

[(1, 261111604), (2, 130555802), (4, 65277901), (13, 20085508), (19, 13742716), (26, 10042754), (38, 6871358), (52, 5021377), (76, 3435679), (247, 1057132), (494, 528566), (988, 264283)]