78720252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{504617}}^1$

素因数の和:504637

約数の個数: 24

約数和(自身を含む): 197810256

約数和(自身を除く): 119090004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 504617, 1009234, 1513851, 2018468, 3027702, 6055404, 6560021, 13120042, 19680063, 26240084, 39360126, 78720252]

約数ペア:

[(1, 78720252), (2, 39360126), (3, 26240084), (4, 19680063), (6, 13120042), (12, 6560021), (13, 6055404), (26, 3027702), (39, 2018468), (52, 1513851), (78, 1009234), (156, 504617)]