28131636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180331}}^1$

素因数の和:180351

約数の個数: 24

約数和(自身を含む): 70690144

約数和(自身を除く): 42558508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180331, 360662, 540993, 721324, 1081986, 2163972, 2344303, 4688606, 7032909, 9377212, 14065818, 28131636]

約数ペア:

[(1, 28131636), (2, 14065818), (3, 9377212), (4, 7032909), (6, 4688606), (12, 2344303), (13, 2163972), (26, 1081986), (39, 721324), (52, 540993), (78, 360662), (156, 180331)]