51560912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247889}}^1$

素因数の和:247910

約数の個数: 20

約数和(自身を含む): 107584260

約数和(自身を除く): 56023348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247889, 495778, 991556, 1983112, 3222557, 3966224, 6445114, 12890228, 25780456, 51560912]

約数ペア:

[(1, 51560912), (2, 25780456), (4, 12890228), (8, 6445114), (13, 3966224), (16, 3222557), (26, 1983112), (52, 991556), (104, 495778), (208, 247889)]