81054568

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39119}}^1$

素因数の和:39169

約数の個数: 32

約数和(自身を含む): 178387200

約数和(自身を除く): 97332632

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39119, 78238, 156476, 273833, 312952, 547666, 1095332, 1447403, 2190664, 2894806, 5789612, 10131821, 11579224, 20263642, 40527284, 81054568]

約数ペア:

[(1, 81054568), (2, 40527284), (4, 20263642), (7, 11579224), (8, 10131821), (14, 5789612), (28, 2894806), (37, 2190664), (56, 1447403), (74, 1095332), (148, 547666), (259, 312952), (296, 273833), (518, 156476), (1036, 78238), (2072, 39119)]