28381802

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2261

約数の個数: 16

約数和(自身を含む): 44160000

約数和(自身を除く): 15778198

約数列:

[1, 2, 31, 62, 229, 458, 1999, 3998, 7099, 14198, 61969, 123938, 457771, 915542, 14190901, 28381802]

約数ペア:

[(1, 28381802), (2, 14190901), (31, 915542), (62, 457771), (229, 123938), (458, 61969), (1999, 14198), (3998, 7099)]