2178118904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487057}}^1$

素因数の和:487119

約数の個数: 32

約数和(自身を含む): 4500415920

約数和(自身を除く): 2322297016

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 487057, 974114, 1948228, 3896456, 6331741, 12663482, 20943451, 25326964, 41886902, 50653928, 83773804, 167547608, 272264863, 544529726, 1089059452, 2178118904]

約数ペア:

[(1, 2178118904), (2, 1089059452), (4, 544529726), (8, 272264863), (13, 167547608), (26, 83773804), (43, 50653928), (52, 41886902), (86, 25326964), (104, 20943451), (172, 12663482), (344, 6331741), (559, 3896456), (1118, 1948228), (2236, 974114), (4472, 487057)]