12978351355

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{3889}}^1$

素因数の和:4231

約数の個数: 32

約数和(自身を含む): 16249121280

約数和(自身を除く): 3270769925

約数列:

[1, 5, 41, 73, 205, 223, 365, 1115, 2993, 3889, 9143, 14965, 16279, 19445, 45715, 81395, 159449, 283897, 667439, 797245, 867247, 1419485, 3337195, 4336235, 11639777, 35557127, 58198885, 63309031, 177785635, 316545155, 2595670271, 12978351355]

約数ペア:

[(1, 12978351355), (5, 2595670271), (41, 316545155), (73, 177785635), (205, 63309031), (223, 58198885), (365, 35557127), (1115, 11639777), (2993, 4336235), (3889, 3337195), (9143, 1419485), (14965, 867247), (16279, 797245), (19445, 667439), (45715, 283897), (81395, 159449)]