81402508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1678

約数の個数: 36

約数和(自身を含む): 158121040

約数和(自身を除く): 76718532

約数列:

[1, 2, 4, 11, 22, 44, 109, 121, 218, 242, 436, 484, 1199, 1543, 2398, 3086, 4796, 6172, 13189, 16973, 26378, 33946, 52756, 67892, 168187, 186703, 336374, 373406, 672748, 746812, 1850057, 3700114, 7400228, 20350627, 40701254, 81402508]

約数ペア:

[(1, 81402508), (2, 40701254), (4, 20350627), (11, 7400228), (22, 3700114), (44, 1850057), (109, 746812), (121, 672748), (218, 373406), (242, 336374), (436, 186703), (484, 168187), (1199, 67892), (1543, 52756), (2398, 33946), (3086, 26378), (4796, 16973), (6172, 13189)]