220779286

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28211}}^1$

素因数の和:28276

約数の個数: 32

約数和(自身を含む): 417086208

約数和(自身を除く): 196306922

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826, 28211, 56422, 197477, 366743, 394954, 733486, 1213073, 2426146, 2567201, 5134402, 8491511, 15769949, 16983022, 31539898, 110389643, 220779286]

約数ペア:

[(1, 220779286), (2, 110389643), (7, 31539898), (13, 16983022), (14, 15769949), (26, 8491511), (43, 5134402), (86, 2567201), (91, 2426146), (182, 1213073), (301, 733486), (559, 394954), (602, 366743), (1118, 197477), (3913, 56422), (7826, 28211)]