81564816

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15881}}^1$

素因数の和:15999

約数の個数: 40

約数和(自身を含む): 212691744

約数和(自身を除く): 131126928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 5136, 15881, 31762, 47643, 63524, 95286, 127048, 190572, 254096, 381144, 762288, 1699267, 3398534, 5097801, 6797068, 10195602, 13594136, 20391204, 27188272, 40782408, 81564816]

約数ペア:

[(1, 81564816), (2, 40782408), (3, 27188272), (4, 20391204), (6, 13594136), (8, 10195602), (12, 6797068), (16, 5097801), (24, 3398534), (48, 1699267), (107, 762288), (214, 381144), (321, 254096), (428, 190572), (642, 127048), (856, 95286), (1284, 63524), (1712, 47643), (2568, 31762), (5136, 15881)]