2159187947

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{105527}}^1$

素因数の和:105650

約数の個数: 16

約数和(自身を含む): 2566440960

約数和(自身を除く): 407253013

約数列:

[1, 7, 37, 79, 259, 553, 2923, 20461, 105527, 738689, 3904499, 8336633, 27331493, 58356431, 308455421, 2159187947]

約数ペア:

[(1, 2159187947), (7, 308455421), (37, 58356431), (79, 27331493), (259, 8336633), (553, 3904499), (2923, 738689), (20461, 105527)]