200421776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{305521}}^1$

素因数の和:305570

約数の個数: 20

約数和(自身を含む): 397789644

約数和(自身を除く): 197367868

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 305521, 611042, 1222084, 2444168, 4888336, 12526361, 25052722, 50105444, 100210888, 200421776]

約数ペア:

[(1, 200421776), (2, 100210888), (4, 50105444), (8, 25052722), (16, 12526361), (41, 4888336), (82, 2444168), (164, 1222084), (328, 611042), (656, 305521)]