64939259

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 82944576

約数和(自身を除く): 18005317

約数列:

[1, 7, 11, 49, 77, 211, 539, 571, 1477, 2321, 3997, 6281, 10339, 16247, 27979, 43967, 113729, 120481, 307769, 843367, 1325291, 5903569, 9277037, 64939259]

約数ペア:

[(1, 64939259), (7, 9277037), (11, 5903569), (49, 1325291), (77, 843367), (211, 307769), (539, 120481), (571, 113729), (1477, 43967), (2321, 27979), (3997, 16247), (6281, 10339)]