12644177

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 16773120

約数和(自身を除く): 4128943

約数列:

[1, 7, 13, 19, 71, 91, 103, 133, 247, 497, 721, 923, 1339, 1349, 1729, 1957, 6461, 7313, 9373, 9443, 13699, 17537, 25441, 51191, 95069, 122759, 138947, 178087, 665483, 972629, 1806311, 12644177]

約数ペア:

[(1, 12644177), (7, 1806311), (13, 972629), (19, 665483), (71, 178087), (91, 138947), (103, 122759), (133, 95069), (247, 51191), (497, 25441), (721, 17537), (923, 13699), (1339, 9443), (1349, 9373), (1729, 7313), (1957, 6461)]