17487239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11953}}^1$

素因数の和:11990

約数の個数: 16

約数和(自身を含む): 22951680

約数和(自身を除く): 5464441

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 11953, 83671, 131483, 227107, 920381, 1589749, 2498177, 17487239]

約数ペア:

[(1, 17487239), (7, 2498177), (11, 1589749), (19, 920381), (77, 227107), (133, 131483), (209, 83671), (1463, 11953)]