28240051

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 32972800

約数和(自身を除く): 4732749

約数列:

[1, 7, 79, 223, 229, 553, 1561, 1603, 17617, 18091, 51067, 123319, 126637, 357469, 4034293, 28240051]

約数ペア:

[(1, 28240051), (7, 4034293), (79, 357469), (223, 126637), (229, 123319), (553, 51067), (1561, 18091), (1603, 17617)]