81974417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1471}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 98918400

約数和(自身を除く): 16943983

約数列:

[1, 7, 19, 133, 419, 1471, 2933, 7961, 10297, 27949, 55727, 195643, 616349, 4314443, 11710631, 81974417]

約数ペア:

[(1, 81974417), (7, 11710631), (19, 4314443), (133, 616349), (419, 195643), (1471, 55727), (2933, 27949), (7961, 10297)]