28294805

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10499}}^1$

素因数の和:10529

約数の個数: 24

約数和(自身を含む): 43092000

約数和(自身を除く): 14797195

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 10499, 52495, 73493, 115489, 367465, 514451, 577445, 808423, 2572255, 4042115, 5658961, 28294805]

約数ペア:

[(1, 28294805), (5, 5658961), (7, 4042115), (11, 2572255), (35, 808423), (49, 577445), (55, 514451), (77, 367465), (245, 115489), (385, 73493), (539, 52495), (2695, 10499)]