205430911

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 239003136

約数和(自身を除く): 33572225

約数列:

[1, 7, 67, 469, 647, 677, 4529, 4739, 43349, 45359, 303443, 317513, 438019, 3066133, 29347273, 205430911]

約数ペア:

[(1, 205430911), (7, 29347273), (67, 3066133), (469, 438019), (647, 317513), (677, 303443), (4529, 45359), (4739, 43349)]