2031425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 2812320

約数和(自身を除く): 780895

約数列:

[1, 5, 11, 25, 55, 83, 89, 275, 415, 445, 913, 979, 2075, 2225, 4565, 4895, 7387, 22825, 24475, 36935, 81257, 184675, 406285, 2031425]

約数ペア:

[(1, 2031425), (5, 406285), (11, 184675), (25, 81257), (55, 36935), (83, 24475), (89, 22825), (275, 7387), (415, 4895), (445, 4565), (913, 2225), (979, 2075)]