81422224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{391453}}^1$

素因数の和:391474

約数の個数: 20

約数和(自身を含む): 169891036

約数和(自身を除く): 88468812

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 391453, 782906, 1565812, 3131624, 5088889, 6263248, 10177778, 20355556, 40711112, 81422224]

約数ペア:

[(1, 81422224), (2, 40711112), (4, 20355556), (8, 10177778), (13, 6263248), (16, 5088889), (26, 3131624), (52, 1565812), (104, 782906), (208, 391453)]