208540228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{11171}}^1$

素因数の和:11547

約数の個数: 24

約数和(自身を含む): 394148160

約数和(自身を除く): 185607932

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1436, 4667, 9334, 11171, 18668, 22342, 44684, 145223, 290446, 580892, 4010389, 8020778, 16041556, 52135057, 104270114, 208540228]

約数ペア:

[(1, 208540228), (2, 104270114), (4, 52135057), (13, 16041556), (26, 8020778), (52, 4010389), (359, 580892), (718, 290446), (1436, 145223), (4667, 44684), (9334, 22342), (11171, 18668)]