257631361

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{719}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 284739840

約数和(自身を除く): 27108479

約数列:

[1, 13, 43, 559, 641, 719, 8333, 9347, 27563, 30917, 358319, 401921, 460879, 5991427, 19817797, 257631361]

約数ペア:

[(1, 257631361), (13, 19817797), (43, 5991427), (559, 460879), (641, 401921), (719, 358319), (8333, 30917), (9347, 27563)]