201225616

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{63199}}^1$

素因数の和:63406

約数の個数: 20

約数和(自身を含む): 391840000

約数和(自身を除く): 190614384

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 63199, 126398, 252796, 505592, 1011184, 12576601, 25153202, 50306404, 100612808, 201225616]

約数ペア:

[(1, 201225616), (2, 100612808), (4, 50306404), (8, 25153202), (16, 12576601), (199, 1011184), (398, 505592), (796, 252796), (1592, 126398), (3184, 63199)]