199523905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{599}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 283852800

約数和(自身を除く): 84328895

約数列:

[1, 5, 7, 31, 35, 155, 217, 307, 599, 1085, 1535, 2149, 2995, 4193, 9517, 10745, 18569, 20965, 47585, 66619, 92845, 129983, 183893, 333095, 649915, 919465, 1287251, 5700683, 6436255, 28503415, 39904781, 199523905]

約数ペア:

[(1, 199523905), (5, 39904781), (7, 28503415), (31, 6436255), (35, 5700683), (155, 1287251), (217, 919465), (307, 649915), (599, 333095), (1085, 183893), (1535, 129983), (2149, 92845), (2995, 66619), (4193, 47585), (9517, 20965), (10745, 18569)]