920972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 1764000

約数和(自身を除く): 843028

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 199, 356, 398, 796, 1157, 2314, 2587, 4628, 5174, 10348, 17711, 35422, 70844, 230243, 460486, 920972]

約数ペア:

[(1, 920972), (2, 460486), (4, 230243), (13, 70844), (26, 35422), (52, 17711), (89, 10348), (178, 5174), (199, 4628), (356, 2587), (398, 2314), (796, 1157)]