81855158

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1523}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 153619200

約数和(自身を除く): 71764042

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 349, 698, 1523, 2443, 3046, 3839, 4886, 7678, 10661, 16753, 21322, 26873, 33506, 53746, 117271, 234542, 531527, 1063054, 3720689, 5846797, 7441378, 11693594, 40927579, 81855158]

約数ペア:

[(1, 81855158), (2, 40927579), (7, 11693594), (11, 7441378), (14, 5846797), (22, 3720689), (77, 1063054), (154, 531527), (349, 234542), (698, 117271), (1523, 53746), (2443, 33506), (3046, 26873), (3839, 21322), (4886, 16753), (7678, 10661)]