81217862

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{3079}}^1$

素因数の和:3212

約数の個数: 24

約数和(自身を含む): 135181200

約数和(自身を除く): 53963338

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 1199, 2398, 3079, 6158, 13189, 26378, 33869, 67738, 335611, 372559, 671222, 745118, 3691721, 7383442, 40608931, 81217862]

約数ペア:

[(1, 81217862), (2, 40608931), (11, 7383442), (22, 3691721), (109, 745118), (121, 671222), (218, 372559), (242, 335611), (1199, 67738), (2398, 33869), (3079, 26378), (6158, 13189)]