203172068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{419777}}^1$

素因数の和:419803

約数の個数: 18

約数和(自身を含む): 390813318

約数和(自身を除く): 187641250

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 419777, 839554, 1679108, 4617547, 9235094, 18470188, 50793017, 101586034, 203172068]

約数ペア:

[(1, 203172068), (2, 101586034), (4, 50793017), (11, 18470188), (22, 9235094), (44, 4617547), (121, 1679108), (242, 839554), (484, 419777)]