81118828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3719}}^1$

素因数の和:3790

約数の個数: 48

約数和(自身を含む): 174988800

約数和(自身を除く): 93869972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 3719, 5453, 7438, 10906, 14876, 21812, 26033, 52066, 70661, 104132, 141322, 152479, 282644, 304958, 494627, 609916, 989254, 1067353, 1978508, 2134706, 2897101, 4269412, 5794202, 11588404, 20279707, 40559414, 81118828]

約数ペア:

[(1, 81118828), (2, 40559414), (4, 20279707), (7, 11588404), (14, 5794202), (19, 4269412), (28, 2897101), (38, 2134706), (41, 1978508), (76, 1067353), (82, 989254), (133, 609916), (164, 494627), (266, 304958), (287, 282644), (532, 152479), (574, 141322), (779, 104132), (1148, 70661), (1558, 52066), (3116, 26033), (3719, 21812), (5453, 14876), (7438, 10906)]