86890985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 112358400

約数和(自身を除く): 25467415

約数列:

[1, 5, 31, 37, 109, 139, 155, 185, 545, 695, 1147, 3379, 4033, 4309, 5143, 5735, 15151, 16895, 20165, 21545, 25715, 75755, 125023, 159433, 469681, 560587, 625115, 797165, 2348405, 2802935, 17378197, 86890985]

約数ペア:

[(1, 86890985), (5, 17378197), (31, 2802935), (37, 2348405), (109, 797165), (139, 625115), (155, 560587), (185, 469681), (545, 159433), (695, 125023), (1147, 75755), (3379, 25715), (4033, 21545), (4309, 20165), (5143, 16895), (5735, 15151)]