81807484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{5179}}^1$

素因数の和:5553

約数の個数: 24

約数和(自身を含む): 156643200

約数和(自身を除く): 74835716

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 1436, 3949, 5179, 7898, 10358, 15796, 20716, 56969, 113938, 227876, 1859261, 3718522, 7437044, 20451871, 40903742, 81807484]

約数ペア:

[(1, 81807484), (2, 40903742), (4, 20451871), (11, 7437044), (22, 3718522), (44, 1859261), (359, 227876), (718, 113938), (1436, 56969), (3949, 20716), (5179, 15796), (7898, 10358)]