28165445

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1493}}^1$

素因数の和:1530

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 14861755

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1493, 1715, 2695, 3773, 7465, 10451, 16423, 18865, 52255, 73157, 82115, 114961, 365785, 512099, 574805, 804727, 2560495, 4023635, 5633089, 28165445]

約数ペア:

[(1, 28165445), (5, 5633089), (7, 4023635), (11, 2560495), (35, 804727), (49, 574805), (55, 512099), (77, 365785), (245, 114961), (343, 82115), (385, 73157), (539, 52255), (1493, 18865), (1715, 16423), (2695, 10451), (3773, 7465)]