28768145

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4049}}^1$

素因数の和:4097

約数の個数: 24

約数和(自身を含む): 41553000

約数和(自身を除く): 12784855

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 4049, 7105, 20245, 28343, 117421, 141715, 198401, 587105, 821947, 992005, 4109735, 5753629, 28768145]

約数ペア:

[(1, 28768145), (5, 5753629), (7, 4109735), (29, 992005), (35, 821947), (49, 587105), (145, 198401), (203, 141715), (245, 117421), (1015, 28343), (1421, 20245), (4049, 7105)]