256687382

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{60913}}^1$

素因数の和:60972

約数の個数: 24

約数和(自身を含む): 458316936

約数和(自身を除く): 201629554

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 60913, 121826, 426391, 852782, 2619259, 2984737, 5238518, 5969474, 18334813, 36669626, 128343691, 256687382]

約数ペア:

[(1, 256687382), (2, 128343691), (7, 36669626), (14, 18334813), (43, 5969474), (49, 5238518), (86, 2984737), (98, 2619259), (301, 852782), (602, 426391), (2107, 121826), (4214, 60913)]