397495852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{39607}}^1$

素因数の和:39817

約数の個数: 24

約数和(自身を含む): 753027296

約数和(自身を除く): 355531444

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 39607, 79214, 158428, 514891, 1029782, 2059564, 7644151, 15288302, 30576604, 99373963, 198747926, 397495852]

約数ペア:

[(1, 397495852), (2, 198747926), (4, 99373963), (13, 30576604), (26, 15288302), (52, 7644151), (193, 2059564), (386, 1029782), (772, 514891), (2509, 158428), (5018, 79214), (10036, 39607)]