217967444

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{20743}}^1$

素因数の和:20855

約数の個数: 24

約数和(自身を含む): 397289088

約数和(自身を除く): 179321644

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2627, 5254, 10508, 20743, 41486, 82972, 767491, 1472753, 1534982, 2945506, 3069964, 5891012, 54491861, 108983722, 217967444]

約数ペア:

[(1, 217967444), (2, 108983722), (4, 54491861), (37, 5891012), (71, 3069964), (74, 2945506), (142, 1534982), (148, 1472753), (284, 767491), (2627, 82972), (5254, 41486), (10508, 20743)]