2008664553

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5034247}}^1$

素因数の和:5034276

約数の個数: 16

約数和(自身を含む): 3221918720

約数和(自身を除く): 1213254167

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5034247, 15102741, 35239729, 95650693, 105719187, 286952079, 669554851, 2008664553]

約数ペア:

[(1, 2008664553), (3, 669554851), (7, 286952079), (19, 105719187), (21, 95650693), (57, 35239729), (133, 15102741), (399, 5034247)]