28206145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 11420351

約数列:

[1, 5, 11, 17, 55, 85, 97, 187, 311, 485, 935, 1067, 1555, 1649, 3421, 5287, 5335, 8245, 17105, 18139, 26435, 30167, 58157, 90695, 150835, 290785, 331837, 512839, 1659185, 2564195, 5641229, 28206145]

約数ペア:

[(1, 28206145), (5, 5641229), (11, 2564195), (17, 1659185), (55, 512839), (85, 331837), (97, 290785), (187, 150835), (311, 90695), (485, 58157), (935, 30167), (1067, 26435), (1555, 18139), (1649, 17105), (3421, 8245), (5287, 5335)]