389272546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{223463}}^1$

素因数の和:223545

約数の個数: 16

約数和(自身を含む): 638213184

約数和(自身を除く): 248940638

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 223463, 446926, 2905019, 5810038, 14972021, 29944042, 194636273, 389272546]

約数ペア:

[(1, 389272546), (2, 194636273), (13, 29944042), (26, 14972021), (67, 5810038), (134, 2905019), (871, 446926), (1742, 223463)]