25139821

素因数分解:

$7^1\times {\mathrm{17}}^4\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 20

約数和(自身を含む): 31236832

約数和(自身を除く): 6097011

約数列:

[1, 7, 17, 43, 119, 289, 301, 731, 2023, 4913, 5117, 12427, 34391, 83521, 86989, 211259, 584647, 1478813, 3591403, 25139821]

約数ペア:

[(1, 25139821), (7, 3591403), (17, 1478813), (43, 584647), (119, 211259), (289, 86989), (301, 83521), (731, 34391), (2023, 12427), (4913, 5117)]