79666690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{194309}}^1$

素因数の和:194357

約数の個数: 16

約数和(自身を含む): 146898360

約数和(自身を除く): 67231670

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 194309, 388618, 971545, 1943090, 7966669, 15933338, 39833345, 79666690]

約数ペア:

[(1, 79666690), (2, 39833345), (5, 15933338), (10, 7966669), (41, 1943090), (82, 971545), (205, 388618), (410, 194309)]