78649904

素因数分解:

$2^4\times {\mathrm{1933}}^1\times {\mathrm{2543}}^1$

素因数の和:4484

約数の個数: 20

約数和(自身を含む): 152522976

約数和(自身を除く): 73873072

約数列:

[1, 2, 4, 8, 16, 1933, 2543, 3866, 5086, 7732, 10172, 15464, 20344, 30928, 40688, 4915619, 9831238, 19662476, 39324952, 78649904]

約数ペア:

[(1, 78649904), (2, 39324952), (4, 19662476), (8, 9831238), (16, 4915619), (1933, 40688), (2543, 30928), (3866, 20344), (5086, 15464), (7732, 10172)]