66821708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2609}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 123505200

約数和(自身を除く): 56683492

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 1348, 2609, 5218, 6403, 10436, 12806, 25612, 49571, 99142, 198284, 879233, 1758466, 3516932, 16705427, 33410854, 66821708]

約数ペア:

[(1, 66821708), (2, 33410854), (4, 16705427), (19, 3516932), (38, 1758466), (76, 879233), (337, 198284), (674, 99142), (1348, 49571), (2609, 25612), (5218, 12806), (6403, 10436)]