72520604

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{107279}}^1$

素因数の和:107309

約数の個数: 18

約数和(自身を含む): 137425680

約数和(自身を除く): 64905076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 107279, 214558, 429116, 1394627, 2789254, 5578508, 18130151, 36260302, 72520604]

約数ペア:

[(1, 72520604), (2, 36260302), (4, 18130151), (13, 5578508), (26, 2789254), (52, 1394627), (169, 429116), (338, 214558), (676, 107279)]