201001775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1951}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 269399424

約数和(自身を除く): 68397649

約数列:

[1, 5, 13, 25, 65, 317, 325, 1585, 1951, 4121, 7925, 9755, 20605, 25363, 48775, 103025, 126815, 618467, 634075, 3092335, 8040071, 15461675, 40200355, 201001775]

約数ペア:

[(1, 201001775), (5, 40200355), (13, 15461675), (25, 8040071), (65, 3092335), (317, 634075), (325, 618467), (1585, 126815), (1951, 103025), (4121, 48775), (7925, 25363), (9755, 20605)]