81224948

素因数分解:

$2^2\times 7^2\times {\mathrm{414413}}^1$

素因数の和:414431

約数の個数: 18

約数和(自身を含む): 165351186

約数和(自身を除く): 84126238

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 414413, 828826, 1657652, 2900891, 5801782, 11603564, 20306237, 40612474, 81224948]

約数ペア:

[(1, 81224948), (2, 40612474), (4, 20306237), (7, 11603564), (14, 5801782), (28, 2900891), (49, 1657652), (98, 828826), (196, 414413)]