197272016

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{25111}}^1$

素因数の和:25610

約数の個数: 20

約数和(自身を含む): 383008224

約数和(自身を除く): 185736208

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 25111, 50222, 100444, 200888, 401776, 12329501, 24659002, 49318004, 98636008, 197272016]

約数ペア:

[(1, 197272016), (2, 98636008), (4, 49318004), (8, 24659002), (16, 12329501), (491, 401776), (982, 200888), (1964, 100444), (3928, 50222), (7856, 25111)]