72277919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1297}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 87225600

約数和(自身を除く): 14947681

約数列:

[1, 7, 19, 133, 419, 1297, 2933, 7961, 9079, 24643, 55727, 172501, 543443, 3804101, 10325417, 72277919]

約数ペア:

[(1, 72277919), (7, 10325417), (19, 3804101), (133, 543443), (419, 172501), (1297, 55727), (2933, 24643), (7961, 9079)]