12905456

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{3617}}^1$

素因数の和:3848

約数の個数: 20

約数和(自身を含む): 25123392

約数和(自身を除く): 12217936

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 3617, 7234, 14468, 28936, 57872, 806591, 1613182, 3226364, 6452728, 12905456]

約数ペア:

[(1, 12905456), (2, 6452728), (4, 3226364), (8, 1613182), (16, 806591), (223, 57872), (446, 28936), (892, 14468), (1784, 7234), (3568, 3617)]