291222724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{13693}}^1$

素因数の和:14119

約数の個数: 24

約数和(自身を含む): 550224920

約数和(自身を除く): 259002196

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10634, 13693, 21268, 27386, 54772, 178009, 356018, 712036, 5600437, 11200874, 22401748, 72805681, 145611362, 291222724]

約数ペア:

[(1, 291222724), (2, 145611362), (4, 72805681), (13, 22401748), (26, 11200874), (52, 5600437), (409, 712036), (818, 356018), (1636, 178009), (5317, 54772), (10634, 27386), (13693, 21268)]