78814916

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{1721}}^1$

素因数の和:1939

約数の個数: 18

約数和(自身を含む): 139308078

約数和(自身を除く): 60493162

約数列:

[1, 2, 4, 107, 214, 428, 1721, 3442, 6884, 11449, 22898, 45796, 184147, 368294, 736588, 19703729, 39407458, 78814916]

約数ペア:

[(1, 78814916), (2, 39407458), (4, 19703729), (107, 736588), (214, 368294), (428, 184147), (1721, 45796), (3442, 22898), (6884, 11449)]