290386978

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{877}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 507245184

約数和(自身を除く): 216858206

約数列:

[1, 2, 7, 14, 67, 134, 353, 469, 706, 877, 938, 1754, 2471, 4942, 6139, 12278, 23651, 47302, 58759, 117518, 165557, 309581, 331114, 411313, 619162, 822626, 2167067, 4334134, 20741927, 41483854, 145193489, 290386978]

約数ペア:

[(1, 290386978), (2, 145193489), (7, 41483854), (14, 20741927), (67, 4334134), (134, 2167067), (353, 822626), (469, 619162), (706, 411313), (877, 331114), (938, 309581), (1754, 165557), (2471, 117518), (4942, 58759), (6139, 47302), (12278, 23651)]