91403728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439441}}^1$

素因数の和:439462

約数の個数: 20

約数和(自身を含む): 190717828

約数和(自身を除く): 99314100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439441, 878882, 1757764, 3515528, 5712733, 7031056, 11425466, 22850932, 45701864, 91403728]

約数ペア:

[(1, 91403728), (2, 45701864), (4, 22850932), (8, 11425466), (13, 7031056), (16, 5712733), (26, 3515528), (52, 1757764), (104, 878882), (208, 439441)]