399022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 16

約数和(自身を含む): 655200

約数和(自身を除く): 256178

約数列:

[1, 2, 13, 26, 103, 149, 206, 298, 1339, 1937, 2678, 3874, 15347, 30694, 199511, 399022]

約数ペア:

[(1, 399022), (2, 199511), (13, 30694), (26, 15347), (103, 3874), (149, 2678), (206, 1937), (298, 1339)]