51758512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248839}}^1$

素因数の和:248860

約数の個数: 20

約数和(自身を含む): 107996560

約数和(自身を除く): 56238048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248839, 497678, 995356, 1990712, 3234907, 3981424, 6469814, 12939628, 25879256, 51758512]

約数ペア:

[(1, 51758512), (2, 25879256), (4, 12939628), (8, 6469814), (13, 3981424), (16, 3234907), (26, 1990712), (52, 995356), (104, 497678), (208, 248839)]