257462

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 16

約数和(自身を含む): 419040

約数和(自身を除く): 161578

約数列:

[1, 2, 23, 29, 46, 58, 193, 386, 667, 1334, 4439, 5597, 8878, 11194, 128731, 257462]

約数ペア:

[(1, 257462), (2, 128731), (23, 11194), (29, 8878), (46, 5597), (58, 4439), (193, 1334), (386, 667)]