208095388

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 369230400

約数和(自身を除く): 161135012

約数列:

[1, 2, 4, 109, 218, 239, 436, 478, 956, 1997, 3994, 7988, 26051, 52102, 104204, 217673, 435346, 477283, 870692, 954566, 1909132, 52023847, 104047694, 208095388]

約数ペア:

[(1, 208095388), (2, 104047694), (4, 52023847), (109, 1909132), (218, 954566), (239, 870692), (436, 477283), (478, 435346), (956, 217673), (1997, 104204), (3994, 52102), (7988, 26051)]