219665404

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{166919}}^1$

素因数の和:166977

約数の個数: 24

約数和(自身を含む): 448680960

約数和(自身を除く): 229015556

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 166919, 333838, 667676, 1168433, 2336866, 4673732, 7845193, 15690386, 31380772, 54916351, 109832702, 219665404]

約数ペア:

[(1, 219665404), (2, 109832702), (4, 54916351), (7, 31380772), (14, 15690386), (28, 7845193), (47, 4673732), (94, 2336866), (188, 1168433), (329, 667676), (658, 333838), (1316, 166919)]