630438416

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{645941}}^1$

素因数の和:646010

約数の個数: 20

約数和(自身を含む): 1241500524

約数和(自身を除く): 611062108

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 645941, 1291882, 2583764, 5167528, 10335056, 39402401, 78804802, 157609604, 315219208, 630438416]

約数ペア:

[(1, 630438416), (2, 315219208), (4, 157609604), (8, 78804802), (16, 39402401), (61, 10335056), (122, 5167528), (244, 2583764), (488, 1291882), (976, 645941)]