12779495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 17599680

約数和(自身を除く): 4820185

約数列:

[1, 5, 17, 19, 41, 85, 95, 193, 205, 323, 697, 779, 965, 1615, 3281, 3485, 3667, 3895, 7913, 13243, 16405, 18335, 39565, 62339, 66215, 134521, 150347, 311695, 672605, 751735, 2555899, 12779495]

約数ペア:

[(1, 12779495), (5, 2555899), (17, 751735), (19, 672605), (41, 311695), (85, 150347), (95, 134521), (193, 66215), (205, 62339), (323, 39565), (697, 18335), (779, 16405), (965, 13243), (1615, 7913), (3281, 3895), (3485, 3667)]