221092722

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{172999}}^1$

素因数の和:173078

約数の個数: 24

約数和(自身を含む): 485784000

約数和(自身を除く): 264691278

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 172999, 345998, 518997, 1037994, 1556991, 3113982, 12282929, 24565858, 36848787, 73697574, 110546361, 221092722]

約数ペア:

[(1, 221092722), (2, 110546361), (3, 73697574), (6, 36848787), (9, 24565858), (18, 12282929), (71, 3113982), (142, 1556991), (213, 1037994), (426, 518997), (639, 345998), (1278, 172999)]