66809912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{642403}}^1$

素因数の和:642422

約数の個数: 16

約数和(自身を含む): 134904840

約数和(自身を除く): 68094928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 642403, 1284806, 2569612, 5139224, 8351239, 16702478, 33404956, 66809912]

約数ペア:

[(1, 66809912), (2, 33404956), (4, 16702478), (8, 8351239), (13, 5139224), (26, 2569612), (52, 1284806), (104, 642403)]