251711046

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2381

約数の個数: 48

約数和(自身を含む): 559522080

約数和(自身を除く): 307811034

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 178, 213, 267, 426, 534, 639, 801, 1278, 1602, 2213, 4426, 6319, 6639, 12638, 13278, 18957, 19917, 37914, 39834, 56871, 113742, 157123, 196957, 314246, 393914, 471369, 590871, 942738, 1181742, 1414107, 1772613, 2828214, 3545226, 13983947, 27967894, 41951841, 83903682, 125855523, 251711046]

約数ペア:

[(1, 251711046), (2, 125855523), (3, 83903682), (6, 41951841), (9, 27967894), (18, 13983947), (71, 3545226), (89, 2828214), (142, 1772613), (178, 1414107), (213, 1181742), (267, 942738), (426, 590871), (534, 471369), (639, 393914), (801, 314246), (1278, 196957), (1602, 157123), (2213, 113742), (4426, 56871), (6319, 39834), (6639, 37914), (12638, 19917), (13278, 18957)]