28550665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 40876416

約数和(自身を除く): 12325751

約数列:

[1, 5, 11, 13, 55, 65, 73, 143, 365, 547, 715, 803, 949, 2735, 4015, 4745, 6017, 7111, 10439, 30085, 35555, 39931, 52195, 78221, 199655, 391105, 439241, 519103, 2196205, 2595515, 5710133, 28550665]

約数ペア:

[(1, 28550665), (5, 5710133), (11, 2595515), (13, 2196205), (55, 519103), (65, 439241), (73, 391105), (143, 199655), (365, 78221), (547, 52195), (715, 39931), (803, 35555), (949, 30085), (2735, 10439), (4015, 7111), (4745, 6017)]