642158495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{28687}}^1$

素因数の和:28751

約数の個数: 24

約数和(自身を含む): 869934912

約数和(自身を除く): 227776417

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 2035, 4477, 22385, 28687, 143435, 315557, 1061419, 1577785, 3471127, 5307095, 11675609, 17355635, 58378045, 128431699, 642158495]

約数ペア:

[(1, 642158495), (5, 128431699), (11, 58378045), (37, 17355635), (55, 11675609), (121, 5307095), (185, 3471127), (407, 1577785), (605, 1061419), (2035, 315557), (4477, 143435), (22385, 28687)]