80643256

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 153964800

約数和(自身を除く): 73321544

約数列:

[1, 2, 4, 8, 89, 178, 191, 356, 382, 593, 712, 764, 1186, 1528, 2372, 4744, 16999, 33998, 52777, 67996, 105554, 113263, 135992, 211108, 226526, 422216, 453052, 906104, 10080407, 20160814, 40321628, 80643256]

約数ペア:

[(1, 80643256), (2, 40321628), (4, 20160814), (8, 10080407), (89, 906104), (178, 453052), (191, 422216), (356, 226526), (382, 211108), (593, 135992), (712, 113263), (764, 105554), (1186, 67996), (1528, 52777), (2372, 33998), (4744, 16999)]