28867355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16978

約数の個数: 16

約数和(自身を含む): 39011328

約数和(自身を除く): 10143973

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 16931, 84655, 186241, 524861, 931205, 2624305, 5773471, 28867355]

約数ペア:

[(1, 28867355), (5, 5773471), (11, 2624305), (31, 931205), (55, 524861), (155, 186241), (341, 84655), (1705, 16931)]