28390206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{363977}}^1$

素因数の和:363995

約数の個数: 16

約数和(自身を含む): 61148304

約数和(自身を除く): 32758098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 363977, 727954, 1091931, 2183862, 4731701, 9463402, 14195103, 28390206]

約数ペア:

[(1, 28390206), (2, 14195103), (3, 9463402), (6, 4731701), (13, 2183862), (26, 1091931), (39, 727954), (78, 363977)]