257789956

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{5869}}^1$

素因数の和:6091

約数の個数: 24

約数和(自身を含む): 460208000

約数和(自身を除く): 202418044

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 5869, 10981, 11738, 21962, 23476, 43924, 463651, 815791, 927302, 1631582, 1854604, 3263164, 64447489, 128894978, 257789956]

約数ペア:

[(1, 257789956), (2, 128894978), (4, 64447489), (79, 3263164), (139, 1854604), (158, 1631582), (278, 927302), (316, 815791), (556, 463651), (5869, 43924), (10981, 23476), (11738, 21962)]