289399228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1999}}^1\times {\mathrm{2129}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 536760000

約数和(自身を除く): 247360772

約数列:

[1, 2, 4, 17, 34, 68, 1999, 2129, 3998, 4258, 7996, 8516, 33983, 36193, 67966, 72386, 135932, 144772, 4255871, 8511742, 17023484, 72349807, 144699614, 289399228]

約数ペア:

[(1, 289399228), (2, 144699614), (4, 72349807), (17, 17023484), (34, 8511742), (68, 4255871), (1999, 144772), (2129, 135932), (3998, 72386), (4258, 67966), (7996, 36193), (8516, 33983)]