221495118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{218437}}^1$

素因数の和:218468

約数の個数: 24

約数和(自身を含む): 479689848

約数和(自身を除く): 258194730

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 218437, 436874, 655311, 1310622, 2839681, 5679362, 8519043, 17038086, 36915853, 73831706, 110747559, 221495118]

約数ペア:

[(1, 221495118), (2, 110747559), (3, 73831706), (6, 36915853), (13, 17038086), (26, 8519043), (39, 5679362), (78, 2839681), (169, 1310622), (338, 655311), (507, 436874), (1014, 218437)]