64405808

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{4903}}^1$

素因数の和:5732

約数の個数: 20

約数和(自身を含む): 124963728

約数和(自身を除く): 60557920

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 4903, 6568, 9806, 13136, 19612, 39224, 78448, 4025363, 8050726, 16101452, 32202904, 64405808]

約数ペア:

[(1, 64405808), (2, 32202904), (4, 16101452), (8, 8050726), (16, 4025363), (821, 78448), (1642, 39224), (3284, 19612), (4903, 13136), (6568, 9806)]