78878748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{505633}}^1$

素因数の和:505653

約数の個数: 24

約数和(自身を含む): 198208528

約数和(自身を除く): 119329780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 505633, 1011266, 1516899, 2022532, 3033798, 6067596, 6573229, 13146458, 19719687, 26292916, 39439374, 78878748]

約数ペア:

[(1, 78878748), (2, 39439374), (3, 26292916), (4, 19719687), (6, 13146458), (12, 6573229), (13, 6067596), (26, 3033798), (39, 2022532), (52, 1516899), (78, 1011266), (156, 505633)]