287172004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{539797}}^1$

素因数の和:539827

約数の個数: 24

約数和(自身を含む): 604573760

約数和(自身を除く): 317401756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 539797, 1079594, 2159188, 3778579, 7557158, 10256143, 15114316, 20512286, 41024572, 71793001, 143586002, 287172004]

約数ペア:

[(1, 287172004), (2, 143586002), (4, 71793001), (7, 41024572), (14, 20512286), (19, 15114316), (28, 10256143), (38, 7557158), (76, 3778579), (133, 2159188), (266, 1079594), (532, 539797)]