28870435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4007}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 38092032

約数和(自身を除く): 9221597

約数列:

[1, 5, 11, 55, 131, 655, 1441, 4007, 7205, 20035, 44077, 220385, 524917, 2624585, 5774087, 28870435]

約数ペア:

[(1, 28870435), (5, 5774087), (11, 2624585), (55, 524917), (131, 220385), (655, 44077), (1441, 20035), (4007, 7205)]