213081385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{25657}}^1$

素因数の和:25824

約数の個数: 16

約数和(自身を含む): 280801152

約数和(自身を除く): 67719767

約数列:

[1, 5, 11, 55, 151, 755, 1661, 8305, 25657, 128285, 282227, 1411135, 3874207, 19371035, 42616277, 213081385]

約数ペア:

[(1, 213081385), (5, 42616277), (11, 19371035), (55, 3874207), (151, 1411135), (755, 282227), (1661, 128285), (8305, 25657)]