80821716

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{42899}}^1$

素因数の和:43063

約数の個数: 24

約数和(自身を含む): 189789600

約数和(自身を除く): 108967884

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 42899, 85798, 128697, 171596, 257394, 514788, 6735143, 13470286, 20205429, 26940572, 40410858, 80821716]

約数ペア:

[(1, 80821716), (2, 40410858), (3, 26940572), (4, 20205429), (6, 13470286), (12, 6735143), (157, 514788), (314, 257394), (471, 171596), (628, 128697), (942, 85798), (1884, 42899)]