1263470291218

素因数分解:

$2^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1\times {\mathrm{3168959}}^1$

素因数の和:3169913

約数の個数: 16

約数和(自身を含む): 1904266091520

約数和(自身を除く): 640795800302

約数列:

[1, 2, 311, 622, 641, 1282, 199351, 398702, 3168959, 6337918, 985546249, 1971092498, 2031302719, 4062605438, 631735145609, 1263470291218]

約数ペア:

[(1, 1263470291218), (2, 631735145609), (311, 4062605438), (622, 2031302719), (641, 1971092498), (1282, 985546249), (199351, 6337918), (398702, 3168959)]