77571728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{372941}}^1$

素因数の和:372962

約数の個数: 20

約数和(自身を含む): 161856828

約数和(自身を除く): 84285100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 372941, 745882, 1491764, 2983528, 4848233, 5967056, 9696466, 19392932, 38785864, 77571728]

約数ペア:

[(1, 77571728), (2, 38785864), (4, 19392932), (8, 9696466), (13, 5967056), (16, 4848233), (26, 2983528), (52, 1491764), (104, 745882), (208, 372941)]