78880796

素因数分解:

$2^2\times {\mathrm{311}}^1\times {\mathrm{63409}}^1$

素因数の和:63724

約数の個数: 12

約数和(自身を含む): 138487440

約数和(自身を除く): 59606644

約数列:

[1, 2, 4, 311, 622, 1244, 63409, 126818, 253636, 19720199, 39440398, 78880796]

約数ペア:

[(1, 78880796), (2, 39440398), (4, 19720199), (311, 253636), (622, 126818), (1244, 63409)]