28528535

素因数分解:

$5^1\times 7^2\times {\mathrm{116443}}^1$

素因数の和:116462

約数の個数: 12

約数和(自身を含む): 39823848

約数和(自身を除く): 11295313

約数列:

[1, 5, 7, 35, 49, 245, 116443, 582215, 815101, 4075505, 5705707, 28528535]

約数ペア:

[(1, 28528535), (5, 5705707), (7, 4075505), (35, 815101), (49, 582215), (245, 116443)]