258890995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{427919}}^1$

素因数の和:427946

約数の個数: 12

約数和(自身を含む): 341480160

約数和(自身を除く): 82589165

約数列:

[1, 5, 11, 55, 121, 605, 427919, 2139595, 4707109, 23535545, 51778199, 258890995]

約数ペア:

[(1, 258890995), (5, 51778199), (11, 23535545), (55, 4707109), (121, 2139595), (605, 427919)]