15981172

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 28507136

約数和(自身を除く): 12525964

約数列:

[1, 2, 4, 127, 163, 193, 254, 326, 386, 508, 652, 772, 20701, 24511, 31459, 41402, 49022, 62918, 82804, 98044, 125836, 3995293, 7990586, 15981172]

約数ペア:

[(1, 15981172), (2, 7990586), (4, 3995293), (127, 125836), (163, 98044), (193, 82804), (254, 62918), (326, 49022), (386, 41402), (508, 31459), (652, 24511), (772, 20701)]