81679556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153533}}^1$

素因数の和:153563

約数の個数: 24

約数和(自身を含む): 171958080

約数和(自身を除く): 90278524

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153533, 307066, 614132, 1074731, 2149462, 2917127, 4298924, 5834254, 11668508, 20419889, 40839778, 81679556]

約数ペア:

[(1, 81679556), (2, 40839778), (4, 20419889), (7, 11668508), (14, 5834254), (19, 4298924), (28, 2917127), (38, 2149462), (76, 1074731), (133, 614132), (266, 307066), (532, 153533)]