221284112

素因数分解:

$2^4\times 7^1\times {\mathrm{1975751}}^1$

素因数の和:1975766

約数の個数: 20

約数和(自身を含む): 489986496

約数和(自身を除く): 268702384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1975751, 3951502, 7903004, 13830257, 15806008, 27660514, 31612016, 55321028, 110642056, 221284112]

約数ペア:

[(1, 221284112), (2, 110642056), (4, 55321028), (7, 31612016), (8, 27660514), (14, 15806008), (16, 13830257), (28, 7903004), (56, 3951502), (112, 1975751)]