1280498905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{3769}}^1$

素因数の和:4369

約数の個数: 32

約数和(自身を含む): 1863164160

約数和(自身を除く): 582665255

約数列:

[1, 5, 7, 17, 35, 85, 119, 571, 595, 2855, 3769, 3997, 9707, 18845, 19985, 26383, 48535, 64073, 67949, 131915, 320365, 339745, 448511, 2152099, 2242555, 10760495, 15064693, 36585683, 75323465, 182928415, 256099781, 1280498905]

約数ペア:

[(1, 1280498905), (5, 256099781), (7, 182928415), (17, 75323465), (35, 36585683), (85, 15064693), (119, 10760495), (571, 2242555), (595, 2152099), (2855, 448511), (3769, 339745), (3997, 320365), (9707, 131915), (18845, 67949), (19985, 64073), (26383, 48535)]