28431755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3719}}^1$

素因数の和:3874

約数の個数: 16

約数和(自身を含む): 37497600

約数和(自身を除く): 9065845

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3719, 7645, 18595, 40909, 204545, 516941, 2584705, 5686351, 28431755]

約数ペア:

[(1, 28431755), (5, 5686351), (11, 2584705), (55, 516941), (139, 204545), (695, 40909), (1529, 18595), (3719, 7645)]