81657642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{10949}}^1$

素因数の和:11078

約数の個数: 32

約数和(自身を含む): 179755200

約数和(自身を除く): 98097558

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 3729, 7458, 10949, 21898, 32847, 65694, 120439, 240878, 361317, 722634, 1237237, 2474474, 3711711, 7423422, 13609607, 27219214, 40828821, 81657642]

約数ペア:

[(1, 81657642), (2, 40828821), (3, 27219214), (6, 13609607), (11, 7423422), (22, 3711711), (33, 2474474), (66, 1237237), (113, 722634), (226, 361317), (339, 240878), (678, 120439), (1243, 65694), (2486, 32847), (3729, 21898), (7458, 10949)]