256806178

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{12953}}^1$

素因数の和:13409

約数の個数: 16

約数和(自身を含む): 402921216

約数和(自身を除く): 146115038

約数列:

[1, 2, 23, 46, 431, 862, 9913, 12953, 19826, 25906, 297919, 595838, 5582743, 11165486, 128403089, 256806178]

約数ペア:

[(1, 256806178), (2, 128403089), (23, 11165486), (46, 5582743), (431, 595838), (862, 297919), (9913, 25906), (12953, 19826)]