28031465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6619}}^1$

素因数の和:6653

約数の個数: 24

約数和(自身を含む): 42262080

約数和(自身を除く): 14230615

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6619, 33095, 46333, 72809, 231665, 364045, 509663, 800899, 2548315, 4004495, 5606293, 28031465]

約数ペア:

[(1, 28031465), (5, 5606293), (7, 4004495), (11, 2548315), (35, 800899), (55, 509663), (77, 364045), (121, 231665), (385, 72809), (605, 46333), (847, 33095), (4235, 6619)]