128220799

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 154392480

約数和(自身を除く): 26171681

約数列:

[1, 7, 37, 49, 197, 259, 359, 1379, 1813, 2513, 7289, 9653, 13283, 17591, 51023, 70723, 92981, 357161, 495061, 650867, 2616751, 3465427, 18317257, 128220799]

約数ペア:

[(1, 128220799), (7, 18317257), (37, 3465427), (49, 2616751), (197, 650867), (259, 495061), (359, 357161), (1379, 92981), (1813, 70723), (2513, 51023), (7289, 17591), (9653, 13283)]