221516190721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{90931}}^1\times {\mathrm{15131}}^1$

素因数の和:106092

約数の個数: 16

約数和(自身を含む): 264188740608

約数和(自身を除く): 42672549887

約数列:

[1, 7, 23, 161, 15131, 90931, 105917, 348013, 636517, 2091413, 2436091, 14639891, 1375876961, 9631138727, 31645170103, 221516190721]

約数ペア:

[(1, 221516190721), (7, 31645170103), (23, 9631138727), (161, 1375876961), (15131, 14639891), (90931, 2436091), (105917, 2091413), (348013, 636517)]