81443992

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10463}}^1$

素因数の和:10615

約数の個数: 32

約数和(自身を含む): 175795200

約数和(自身を除く): 94351208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 10463, 20926, 41852, 73241, 83704, 146482, 292964, 585928, 1454357, 2908714, 5817428, 10180499, 11634856, 20360998, 40721996, 81443992]

約数ペア:

[(1, 81443992), (2, 40721996), (4, 20360998), (7, 11634856), (8, 10180499), (14, 5817428), (28, 2908714), (56, 1454357), (139, 585928), (278, 292964), (556, 146482), (973, 83704), (1112, 73241), (1946, 41852), (3892, 20926), (7784, 10463)]