28900445

素因数分解:

$5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 40629600

約数和(自身を除く): 11729155

約数列:

[1, 5, 7, 35, 49, 179, 245, 659, 895, 1253, 3295, 4613, 6265, 8771, 23065, 32291, 43855, 117961, 161455, 589805, 825727, 4128635, 5780089, 28900445]

約数ペア:

[(1, 28900445), (5, 5780089), (7, 4128635), (35, 825727), (49, 589805), (179, 161455), (245, 117961), (659, 43855), (895, 32291), (1253, 23065), (3295, 8771), (4613, 6265)]