81243292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1562371}}^1$

素因数の和:1562388

約数の個数: 12

約数和(自身を含む): 153112456

約数和(自身を除く): 71869164

約数列:

[1, 2, 4, 13, 26, 52, 1562371, 3124742, 6249484, 20310823, 40621646, 81243292]

約数ペア:

[(1, 81243292), (2, 40621646), (4, 20310823), (13, 6249484), (26, 3124742), (52, 1562371)]