202130668

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 357588000

約数和(自身を除く): 155457332

約数列:

[1, 2, 4, 197, 199, 394, 398, 788, 796, 1289, 2578, 5156, 39203, 78406, 156812, 253933, 256511, 507866, 513022, 1015732, 1026044, 50532667, 101065334, 202130668]

約数ペア:

[(1, 202130668), (2, 101065334), (4, 50532667), (197, 1026044), (199, 1015732), (394, 513022), (398, 507866), (788, 256511), (796, 253933), (1289, 156812), (2578, 78406), (5156, 39203)]