398052808

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{3457}}^1$

素因数の和:3889

約数の個数: 32

約数和(自身を含む): 768713400

約数和(自身を除く): 370660592

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 389, 778, 1556, 3112, 3457, 6914, 13828, 14393, 27656, 28786, 57572, 115144, 127909, 255818, 511636, 1023272, 1344773, 2689546, 5379092, 10758184, 49756601, 99513202, 199026404, 398052808]

約数ペア:

[(1, 398052808), (2, 199026404), (4, 99513202), (8, 49756601), (37, 10758184), (74, 5379092), (148, 2689546), (296, 1344773), (389, 1023272), (778, 511636), (1556, 255818), (3112, 127909), (3457, 115144), (6914, 57572), (13828, 28786), (14393, 27656)]