28139442

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{203909}}^1$

素因数の和:203937

約数の個数: 16

約数和(自身を含む): 58726080

約数和(自身を除く): 30586638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 203909, 407818, 611727, 1223454, 4689907, 9379814, 14069721, 28139442]

約数ペア:

[(1, 28139442), (2, 14069721), (3, 9379814), (6, 4689907), (23, 1223454), (46, 611727), (69, 407818), (138, 203909)]