257415857

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{797}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 275788800

約数和(自身を除く): 18372943

約数列:

[1, 19, 89, 191, 797, 1691, 3629, 15143, 16999, 70933, 152227, 322981, 1347727, 2892313, 13548203, 257415857]

約数ペア:

[(1, 257415857), (19, 13548203), (89, 2892313), (191, 1347727), (797, 322981), (1691, 152227), (3629, 70933), (15143, 16999)]