13217477

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 16353792

約数和(自身を除く): 3136315

約数列:

[1, 7, 13, 91, 337, 431, 2359, 3017, 4381, 5603, 30667, 39221, 145247, 1016729, 1888211, 13217477]

約数ペア:

[(1, 13217477), (7, 1888211), (13, 1016729), (91, 145247), (337, 39221), (431, 30667), (2359, 5603), (3017, 4381)]