81291966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18089}}^1$

素因数の和:18208

約数の個数: 32

約数和(自身を含む): 187557120

約数和(自身を除く): 106265154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 18089, 36178, 54267, 108534, 126623, 253246, 379869, 759738, 1935523, 3871046, 5806569, 11613138, 13548661, 27097322, 40645983, 81291966]

約数ペア:

[(1, 81291966), (2, 40645983), (3, 27097322), (6, 13548661), (7, 11613138), (14, 5806569), (21, 3871046), (42, 1935523), (107, 759738), (214, 379869), (321, 253246), (642, 126623), (749, 108534), (1498, 54267), (2247, 36178), (4494, 18089)]