77048990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{405521}}^1$

素因数の和:405547

約数の個数: 16

約数和(自身を含む): 145987920

約数和(自身を除く): 68938930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 405521, 811042, 2027605, 4055210, 7704899, 15409798, 38524495, 77048990]

約数ペア:

[(1, 77048990), (2, 38524495), (5, 15409798), (10, 7704899), (19, 4055210), (38, 2027605), (95, 811042), (190, 405521)]