213988415

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{6551}}^1$

素因数の和:6742

約数の個数: 16

約数和(自身を含む): 264176640

約数和(自身を除く): 50188225

約数列:

[1, 5, 47, 139, 235, 695, 6533, 6551, 32665, 32755, 307897, 910589, 1539485, 4552945, 42797683, 213988415]

約数ペア:

[(1, 213988415), (5, 42797683), (47, 4552945), (139, 1539485), (235, 910589), (695, 307897), (6533, 32755), (6551, 32665)]