43386928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{208591}}^1$

素因数の和:208612

約数の個数: 20

約数和(自身を含む): 90528928

約数和(自身を除く): 47142000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 208591, 417182, 834364, 1668728, 2711683, 3337456, 5423366, 10846732, 21693464, 43386928]

約数ペア:

[(1, 43386928), (2, 21693464), (4, 10846732), (8, 5423366), (13, 3337456), (16, 2711683), (26, 1668728), (52, 834364), (104, 417182), (208, 208591)]