388181812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1129}}^1\times {\mathrm{1999}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 696080000

約数和(自身を除く): 307898188

約数列:

[1, 2, 4, 43, 86, 172, 1129, 1999, 2258, 3998, 4516, 7996, 48547, 85957, 97094, 171914, 194188, 343828, 2256871, 4513742, 9027484, 97045453, 194090906, 388181812]

約数ペア:

[(1, 388181812), (2, 194090906), (4, 97045453), (43, 9027484), (86, 4513742), (172, 2256871), (1129, 343828), (1999, 194188), (2258, 171914), (3998, 97094), (4516, 85957), (7996, 48547)]