256475357

素因数分解:

${\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 274237440

約数和(自身を除く): 17762083

約数列:

[1, 19, 127, 157, 677, 2413, 2983, 12863, 19939, 85979, 106289, 378841, 1633601, 2019491, 13498703, 256475357]

約数ペア:

[(1, 256475357), (19, 13498703), (127, 2019491), (157, 1633601), (677, 378841), (2413, 106289), (2983, 85979), (12863, 19939)]