31216507

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 36679680

約数和(自身を除く): 5463173

約数列:

[1, 7, 47, 239, 329, 397, 1673, 2779, 11233, 18659, 78631, 94883, 130613, 664181, 4459501, 31216507]

約数ペア:

[(1, 31216507), (7, 4459501), (47, 664181), (239, 130613), (329, 94883), (397, 78631), (1673, 18659), (2779, 11233)]