257315098

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{29327}}^1$

素因数の和:29477

約数の個数: 16

約数和(自身を含む): 399095424

約数和(自身を除く): 141780326

約数列:

[1, 2, 41, 82, 107, 214, 4387, 8774, 29327, 58654, 1202407, 2404814, 3137989, 6275978, 128657549, 257315098]

約数ペア:

[(1, 257315098), (2, 128657549), (41, 6275978), (82, 3137989), (107, 2404814), (214, 1202407), (4387, 58654), (8774, 29327)]