278399881

素因数分解:

${\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 291207168

約数和(自身を除く): 12807287

約数列:

[1, 41, 73, 191, 487, 2993, 7831, 13943, 19967, 35551, 93017, 571663, 1457591, 3813697, 6790241, 278399881]

約数ペア:

[(1, 278399881), (41, 6790241), (73, 3813697), (191, 1457591), (487, 571663), (2993, 93017), (7831, 35551), (13943, 19967)]