381639167

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{1493}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 479060064

約数和(自身を除く): 97420897

約数列:

[1, 7, 13, 53, 91, 371, 689, 1493, 2809, 4823, 10451, 19409, 19663, 36517, 79129, 135863, 255619, 553903, 1028677, 4193837, 7200739, 29356859, 54519881, 381639167]

約数ペア:

[(1, 381639167), (7, 54519881), (13, 29356859), (53, 7200739), (91, 4193837), (371, 1028677), (689, 553903), (1493, 255619), (2809, 135863), (4823, 79129), (10451, 36517), (19409, 19663)]