66667979

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 82558800

約数和(自身を除く): 15890821

約数列:

[1, 7, 19, 49, 101, 133, 707, 709, 931, 1919, 4949, 4963, 13433, 13471, 34741, 71609, 94031, 94297, 501263, 660079, 1360571, 3508841, 9523997, 66667979]

約数ペア:

[(1, 66667979), (7, 9523997), (19, 3508841), (49, 1360571), (101, 660079), (133, 501263), (707, 94297), (709, 94031), (931, 71609), (1919, 34741), (4949, 13471), (4963, 13433)]