78876728

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{3137}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 169452000

約数和(自身を除く): 90575272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 898, 1796, 3137, 3143, 3592, 6274, 6286, 12548, 12572, 21959, 25096, 25144, 43918, 87836, 175672, 1408513, 2817026, 5634052, 9859591, 11268104, 19719182, 39438364, 78876728]

約数ペア:

[(1, 78876728), (2, 39438364), (4, 19719182), (7, 11268104), (8, 9859591), (14, 5634052), (28, 2817026), (56, 1408513), (449, 175672), (898, 87836), (1796, 43918), (3137, 25144), (3143, 25096), (3592, 21959), (6274, 12572), (6286, 12548)]