87661847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1693}}^1$

素因数の和:2282

約数の個数: 16

約数和(自身を含む): 108144960

約数和(自身を除く): 20483113

約数列:

[1, 7, 13, 91, 569, 1693, 3983, 7397, 11851, 22009, 51779, 154063, 963317, 6743219, 12523121, 87661847]

約数ペア:

[(1, 87661847), (7, 12523121), (13, 6743219), (91, 963317), (569, 154063), (1693, 51779), (3983, 22009), (7397, 11851)]