328912

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 649636

約数和(自身を除く): 320724

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 337, 488, 674, 976, 1348, 2696, 5392, 20557, 41114, 82228, 164456, 328912]

約数ペア:

[(1, 328912), (2, 164456), (4, 82228), (8, 41114), (16, 20557), (61, 5392), (122, 2696), (244, 1348), (337, 976), (488, 674)]