65493988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 143959200

約数和(自身を除く): 78465212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 409, 532, 602, 817, 818, 931, 1204, 1634, 1636, 1862, 2107, 2863, 3268, 3724, 4214, 5719, 5726, 7771, 8428, 11438, 11452, 15542, 17587, 20041, 22876, 31084, 35174, 40033, 40082, 54397, 70348, 80066, 80164, 108794, 123109, 160132, 217588, 246218, 334153, 380779, 492436, 668306, 761558, 861763, 1336612, 1523116, 1723526, 2339071, 3447052, 4678142, 9356284, 16373497, 32746994, 65493988]

約数ペア:

[(1, 65493988), (2, 32746994), (4, 16373497), (7, 9356284), (14, 4678142), (19, 3447052), (28, 2339071), (38, 1723526), (43, 1523116), (49, 1336612), (76, 861763), (86, 761558), (98, 668306), (133, 492436), (172, 380779), (196, 334153), (266, 246218), (301, 217588), (409, 160132), (532, 123109), (602, 108794), (817, 80164), (818, 80066), (931, 70348), (1204, 54397), (1634, 40082), (1636, 40033), (1862, 35174), (2107, 31084), (2863, 22876), (3268, 20041), (3724, 17587), (4214, 15542), (5719, 11452), (5726, 11438), (7771, 8428)]