209929078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 329204736

約数和(自身を除く): 119275658

約数列:

[1, 2, 53, 83, 106, 107, 166, 214, 223, 446, 4399, 5671, 8798, 8881, 11342, 11819, 17762, 18509, 23638, 23861, 37018, 47722, 470693, 941386, 980977, 1264633, 1961954, 1980463, 2529266, 3960926, 104964539, 209929078]

約数ペア:

[(1, 209929078), (2, 104964539), (53, 3960926), (83, 2529266), (106, 1980463), (107, 1961954), (166, 1264633), (214, 980977), (223, 941386), (446, 470693), (4399, 47722), (5671, 37018), (8798, 23861), (8881, 23638), (11342, 18509), (11819, 17762)]