28603505

素因数分解:

$5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{373}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 40163112

約数和(自身を除く): 11559607

約数列:

[1, 5, 7, 35, 49, 245, 313, 373, 1565, 1865, 2191, 2611, 10955, 13055, 15337, 18277, 76685, 91385, 116749, 583745, 817243, 4086215, 5720701, 28603505]

約数ペア:

[(1, 28603505), (5, 5720701), (7, 4086215), (35, 817243), (49, 583745), (245, 116749), (313, 91385), (373, 76685), (1565, 18277), (1865, 15337), (2191, 13055), (2611, 10955)]