25318013

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 31382208

約数和(自身を除く): 6064195

約数列:

[1, 7, 19, 43, 133, 233, 301, 361, 817, 1631, 2527, 4427, 5719, 10019, 15523, 30989, 70133, 84113, 108661, 190361, 588791, 1332527, 3616859, 25318013]

約数ペア:

[(1, 25318013), (7, 3616859), (19, 1332527), (43, 588791), (133, 190361), (233, 108661), (301, 84113), (361, 70133), (817, 30989), (1631, 15523), (2527, 10019), (4427, 5719)]