129242778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71563}}^1$

素因数の和:71618

約数の個数: 32

約数和(自身を含む): 302286336

約数和(自身を除く): 173043558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 71563, 143126, 214689, 429378, 500941, 1001882, 1502823, 3005646, 3077209, 6154418, 9231627, 18463254, 21540463, 43080926, 64621389, 129242778]

約数ペア:

[(1, 129242778), (2, 64621389), (3, 43080926), (6, 21540463), (7, 18463254), (14, 9231627), (21, 6154418), (42, 3077209), (43, 3005646), (86, 1502823), (129, 1001882), (258, 500941), (301, 429378), (602, 214689), (903, 143126), (1806, 71563)]