85897015

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 108274320

約数和(自身を除く): 22377305

約数列:

[1, 5, 43, 67, 89, 215, 335, 445, 2881, 3827, 4489, 5963, 14405, 19135, 22445, 29815, 193027, 256409, 399521, 965135, 1282045, 1997605, 17179403, 85897015]

約数ペア:

[(1, 85897015), (5, 17179403), (43, 1997605), (67, 1282045), (89, 965135), (215, 399521), (335, 256409), (445, 193027), (2881, 29815), (3827, 22445), (4489, 19135), (5963, 14405)]