16989308

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1951}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 34105344

約数和(自身を除く): 17116036

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 1951, 2177, 3902, 4354, 7804, 8708, 13657, 27314, 54628, 606761, 1213522, 2427044, 4247327, 8494654, 16989308]

約数ペア:

[(1, 16989308), (2, 8494654), (4, 4247327), (7, 2427044), (14, 1213522), (28, 606761), (311, 54628), (622, 27314), (1244, 13657), (1951, 8708), (2177, 7804), (3902, 4354)]