66978256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{102101}}^1$

素因数の和:102150

約数の個数: 20

約数和(自身を含む): 132936804

約数和(自身を除く): 65958548

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 102101, 204202, 408404, 816808, 1633616, 4186141, 8372282, 16744564, 33489128, 66978256]

約数ペア:

[(1, 66978256), (2, 33489128), (4, 16744564), (8, 8372282), (16, 4186141), (41, 1633616), (82, 816808), (164, 408404), (328, 204202), (656, 102101)]