86403985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 112451328

約数和(自身を除く): 26047343

約数列:

[1, 5, 23, 43, 101, 115, 173, 215, 505, 865, 989, 2323, 3979, 4343, 4945, 7439, 11615, 17473, 19895, 21715, 37195, 87365, 99889, 171097, 401879, 499445, 751339, 855485, 2009395, 3756695, 17280797, 86403985]

約数ペア:

[(1, 86403985), (5, 17280797), (23, 3756695), (43, 2009395), (101, 855485), (115, 751339), (173, 499445), (215, 401879), (505, 171097), (865, 99889), (989, 87365), (2323, 37195), (3979, 21715), (4343, 19895), (4945, 17473), (7439, 11615)]