72471985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 95103360

約数和(自身を除く): 22631375

約数列:

[1, 5, 19, 43, 95, 113, 157, 215, 565, 785, 817, 2147, 2983, 4085, 4859, 6751, 10735, 14915, 17741, 24295, 33755, 88705, 92321, 128269, 337079, 461605, 641345, 762863, 1685395, 3814315, 14494397, 72471985]

約数ペア:

[(1, 72471985), (5, 14494397), (19, 3814315), (43, 1685395), (95, 762863), (113, 641345), (157, 461605), (215, 337079), (565, 128269), (785, 92321), (817, 88705), (2147, 33755), (2983, 24295), (4085, 17741), (4859, 14915), (6751, 10735)]