217857588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1396523}}^1$

素因数の和:1396543

約数の個数: 24

約数和(自身を含む): 547437408

約数和(自身を除く): 329579820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1396523, 2793046, 4189569, 5586092, 8379138, 16758276, 18154799, 36309598, 54464397, 72619196, 108928794, 217857588]

約数ペア:

[(1, 217857588), (2, 108928794), (3, 72619196), (4, 54464397), (6, 36309598), (12, 18154799), (13, 16758276), (26, 8379138), (39, 5586092), (52, 4189569), (78, 2793046), (156, 1396523)]