221249724

素因数分解:

$2^2\times 3^1\times {\mathrm{229}}^1\times {\mathrm{80513}}^1$

素因数の和:80749

約数の個数: 24

約数和(自身を含む): 518510160

約数和(自身を除く): 297260436

約数列:

[1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748, 80513, 161026, 241539, 322052, 483078, 966156, 18437477, 36874954, 55312431, 73749908, 110624862, 221249724]

約数ペア:

[(1, 221249724), (2, 110624862), (3, 73749908), (4, 55312431), (6, 36874954), (12, 18437477), (229, 966156), (458, 483078), (687, 322052), (916, 241539), (1374, 161026), (2748, 80513)]