51339745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 67931136

約数和(自身を除く): 16591391

約数列:

[1, 5, 17, 47, 71, 85, 181, 235, 355, 799, 905, 1207, 3077, 3337, 3995, 6035, 8507, 12851, 15385, 16685, 42535, 56729, 64255, 144619, 218467, 283645, 603997, 723095, 1092335, 3019985, 10267949, 51339745]

約数ペア:

[(1, 51339745), (5, 10267949), (17, 3019985), (47, 1092335), (71, 723095), (85, 603997), (181, 283645), (235, 218467), (355, 144619), (799, 64255), (905, 56729), (1207, 42535), (3077, 16685), (3337, 15385), (3995, 12851), (6035, 8507)]