81946928

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8221}}^1$

素因数の和:8325

約数の個数: 40

約数和(自身を含む): 183515040

約数和(自身を除く): 101568112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 8221, 9968, 16442, 32884, 57547, 65768, 115094, 131536, 230188, 460376, 731669, 920752, 1463338, 2926676, 5121683, 5853352, 10243366, 11706704, 20486732, 40973464, 81946928]

約数ペア:

[(1, 81946928), (2, 40973464), (4, 20486732), (7, 11706704), (8, 10243366), (14, 5853352), (16, 5121683), (28, 2926676), (56, 1463338), (89, 920752), (112, 731669), (178, 460376), (356, 230188), (623, 131536), (712, 115094), (1246, 65768), (1424, 57547), (2492, 32884), (4984, 16442), (8221, 9968)]