55485578

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 84480000

約数和(自身を除く): 28994422

約数列:

[1, 2, 109, 199, 218, 398, 1279, 2558, 21691, 43382, 139411, 254521, 278822, 509042, 27742789, 55485578]

約数ペア:

[(1, 55485578), (2, 27742789), (109, 509042), (199, 278822), (218, 254521), (398, 139411), (1279, 43382), (2558, 21691)]