2219195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 2935008

約数和(自身を除く): 715813

約数列:

[1, 5, 11, 55, 157, 257, 785, 1285, 1727, 2827, 8635, 14135, 40349, 201745, 443839, 2219195]

約数ペア:

[(1, 2219195), (5, 443839), (11, 201745), (55, 40349), (157, 14135), (257, 8635), (785, 2827), (1285, 1727)]