257339586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{13831}}^1$

素因数の和:14286

約数の個数: 32

約数和(自身を含む): 589575168

約数和(自身を除く): 332235582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1329, 2658, 3101, 6202, 9303, 13831, 18606, 27662, 41493, 82986, 96817, 193634, 290451, 580902, 6127133, 12254266, 18381399, 36762798, 42889931, 85779862, 128669793, 257339586]

約数ペア:

[(1, 257339586), (2, 128669793), (3, 85779862), (6, 42889931), (7, 36762798), (14, 18381399), (21, 12254266), (42, 6127133), (443, 580902), (886, 290451), (1329, 193634), (2658, 96817), (3101, 82986), (6202, 41493), (9303, 27662), (13831, 18606)]