256956196

素因数分解:

$2^2\times 7^2\times {\mathrm{1311001}}^1$

素因数の和:1311019

約数の個数: 18

約数和(自身を含む): 523089798

約数和(自身を除く): 266133602

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1311001, 2622002, 5244004, 9177007, 18354014, 36708028, 64239049, 128478098, 256956196]

約数ペア:

[(1, 256956196), (2, 128478098), (4, 64239049), (7, 36708028), (14, 18354014), (28, 9177007), (49, 5244004), (98, 2622002), (196, 1311001)]