208657924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{38669}}^1$

素因数の和:38763

約数の個数: 24

約数和(自身を含む): 389793600

約数和(自身を除く): 181135676

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 38669, 77338, 154676, 734711, 1469422, 2745499, 2938844, 5490998, 10981996, 52164481, 104328962, 208657924]

約数ペア:

[(1, 208657924), (2, 104328962), (4, 52164481), (19, 10981996), (38, 5490998), (71, 2938844), (76, 2745499), (142, 1469422), (284, 734711), (1349, 154676), (2698, 77338), (5396, 38669)]