78679952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378269}}^1$

素因数の和:378290

約数の個数: 20

約数和(自身を含む): 164169180

約数和(自身を除く): 85489228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378269, 756538, 1513076, 3026152, 4917497, 6052304, 9834994, 19669988, 39339976, 78679952]

約数ペア:

[(1, 78679952), (2, 39339976), (4, 19669988), (8, 9834994), (13, 6052304), (16, 4917497), (26, 3026152), (52, 1513076), (104, 756538), (208, 378269)]