9991738

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 15434496

約数和(自身を除く): 5442758

約数列:

[1, 2, 43, 86, 223, 446, 521, 1042, 9589, 19178, 22403, 44806, 116183, 232366, 4995869, 9991738]

約数ペア:

[(1, 9991738), (2, 4995869), (43, 232366), (86, 116183), (223, 44806), (446, 22403), (521, 19178), (1042, 9589)]