208089136

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{194113}}^1$

素因数の和:194188

約数の個数: 20

約数和(自身を含む): 409192312

約数和(自身を除く): 201103176

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 194113, 388226, 776452, 1552904, 3105808, 13005571, 26011142, 52022284, 104044568, 208089136]

約数ペア:

[(1, 208089136), (2, 104044568), (4, 52022284), (8, 26011142), (16, 13005571), (67, 3105808), (134, 1552904), (268, 776452), (536, 388226), (1072, 194113)]