168561328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{810391}}^1$

素因数の和:810412

約数の個数: 20

約数和(自身を含む): 351710128

約数和(自身を除く): 183148800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 810391, 1620782, 3241564, 6483128, 10535083, 12966256, 21070166, 42140332, 84280664, 168561328]

約数ペア:

[(1, 168561328), (2, 84280664), (4, 42140332), (8, 21070166), (13, 12966256), (16, 10535083), (26, 6483128), (52, 3241564), (104, 1620782), (208, 810391)]