978185468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{18811259}}^1$

素因数の和:18811276

約数の個数: 12

約数和(自身を含む): 1843503480

約数和(自身を除く): 865318012

約数列:

[1, 2, 4, 13, 26, 52, 18811259, 37622518, 75245036, 244546367, 489092734, 978185468]

約数ペア:

[(1, 978185468), (2, 489092734), (4, 244546367), (13, 75245036), (26, 37622518), (52, 18811259)]