81163432

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4721}}^1$

素因数の和:5041

約数の個数: 32

約数和(自身を含む): 174525120

約数和(自身を除く): 93361688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 4721, 8596, 9442, 17192, 18884, 33047, 37768, 66094, 132188, 264376, 1449347, 2898694, 5797388, 10145429, 11594776, 20290858, 40581716, 81163432]

約数ペア:

[(1, 81163432), (2, 40581716), (4, 20290858), (7, 11594776), (8, 10145429), (14, 5797388), (28, 2898694), (56, 1449347), (307, 264376), (614, 132188), (1228, 66094), (2149, 37768), (2456, 33047), (4298, 18884), (4721, 17192), (8596, 9442)]