28025305

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10399}}^1$

素因数の和:10429

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 14656295

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 10399, 51995, 72793, 114389, 363965, 509551, 571945, 800723, 2547755, 4003615, 5605061, 28025305]

約数ペア:

[(1, 28025305), (5, 5605061), (7, 4003615), (11, 2547755), (35, 800723), (49, 571945), (55, 509551), (77, 363965), (245, 114389), (385, 72793), (539, 51995), (2695, 10399)]