28160912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135389}}^1$

素因数の和:135410

約数の個数: 20

約数和(自身を含む): 58759260

約数和(自身を除く): 30598348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135389, 270778, 541556, 1083112, 1760057, 2166224, 3520114, 7040228, 14080456, 28160912]

約数ペア:

[(1, 28160912), (2, 14080456), (4, 7040228), (8, 3520114), (13, 2166224), (16, 1760057), (26, 1083112), (52, 541556), (104, 270778), (208, 135389)]