219989077

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5591}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 283044672

約数和(自身を除く): 63055595

約数列:

[1, 7, 11, 49, 73, 77, 511, 539, 803, 3577, 5591, 5621, 39137, 39347, 61501, 273959, 408143, 430507, 2857001, 3013549, 4489573, 19999007, 31427011, 219989077]

約数ペア:

[(1, 219989077), (7, 31427011), (11, 19999007), (49, 4489573), (73, 3013549), (77, 2857001), (511, 430507), (539, 408143), (803, 273959), (3577, 61501), (5591, 39347), (5621, 39137)]