85220395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42293}}^1$

素因数の和:42342

約数の個数: 16

約数和(自身を含む): 113686272

約数和(自身を除く): 28465877

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 42293, 211465, 549809, 1311083, 2749045, 6555415, 17044079, 85220395]

約数ペア:

[(1, 85220395), (5, 17044079), (13, 6555415), (31, 2749045), (65, 1311083), (155, 549809), (403, 211465), (2015, 42293)]