28391532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181997}}^1$

素因数の和:182017

約数の個数: 24

約数和(自身を含む): 71343216

約数和(自身を除く): 42951684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181997, 363994, 545991, 727988, 1091982, 2183964, 2365961, 4731922, 7097883, 9463844, 14195766, 28391532]

約数ペア:

[(1, 28391532), (2, 14195766), (3, 9463844), (4, 7097883), (6, 4731922), (12, 2365961), (13, 2183964), (26, 1091982), (39, 727988), (52, 545991), (78, 363994), (156, 181997)]