81275656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131941}}^1$

素因数の和:131965

約数の個数: 32

約数和(自身を含む): 189996480

約数和(自身を除く): 108720824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 131941, 263882, 527764, 923587, 1055528, 1451351, 1847174, 2902702, 3694348, 5805404, 7388696, 10159457, 11610808, 20318914, 40637828, 81275656]

約数ペア:

[(1, 81275656), (2, 40637828), (4, 20318914), (7, 11610808), (8, 10159457), (11, 7388696), (14, 5805404), (22, 3694348), (28, 2902702), (44, 1847174), (56, 1451351), (77, 1055528), (88, 923587), (154, 527764), (308, 263882), (616, 131941)]