257749438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{27901}}^1$

素因数の和:28083

約数の個数: 16

約数和(自身を含む): 401788800

約数和(自身を除く): 144039362

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 27901, 55802, 864931, 1729862, 4157249, 8314498, 128874719, 257749438]

約数ペア:

[(1, 257749438), (2, 128874719), (31, 8314498), (62, 4157249), (149, 1729862), (298, 864931), (4619, 55802), (9238, 27901)]