217644678

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{56767}}^1$

素因数の和:56849

約数の個数: 32

約数和(自身を含む): 490475520

約数和(自身を除く): 272830842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 56767, 113534, 170301, 340602, 510903, 1021806, 1532709, 3065418, 4030457, 8060914, 12091371, 24182742, 36274113, 72548226, 108822339, 217644678]

約数ペア:

[(1, 217644678), (2, 108822339), (3, 72548226), (6, 36274113), (9, 24182742), (18, 12091371), (27, 8060914), (54, 4030457), (71, 3065418), (142, 1532709), (213, 1021806), (426, 510903), (639, 340602), (1278, 170301), (1917, 113534), (3834, 56767)]