285389965

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{68521}}^1$

素因数の和:68557

約数の個数: 24

約数和(自身を含む): 421821432

約数和(自身を除く): 136431467

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 68521, 342605, 479647, 1164857, 2398235, 3357529, 5824285, 8153999, 16787645, 40769995, 57077993, 285389965]

約数ペア:

[(1, 285389965), (5, 57077993), (7, 40769995), (17, 16787645), (35, 8153999), (49, 5824285), (85, 3357529), (119, 2398235), (245, 1164857), (595, 479647), (833, 342605), (4165, 68521)]