208987954

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41351}}^1$

素因数の和:41398

約数の個数: 24

約数和(自身を含む): 378122688

約数和(自身を除く): 169134734

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 41351, 82702, 289457, 578914, 785669, 1571338, 5499683, 10999366, 14927711, 29855422, 104493977, 208987954]

約数ペア:

[(1, 208987954), (2, 104493977), (7, 29855422), (14, 14927711), (19, 10999366), (38, 5499683), (133, 1571338), (266, 785669), (361, 578914), (722, 289457), (2527, 82702), (5054, 41351)]