81477756

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{28649}}^1$

素因数の和:28738

約数の個数: 36

約数和(自身を含む): 208572000

約数和(自身を除く): 127094244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 28649, 57298, 85947, 114596, 171894, 257841, 343788, 515682, 1031364, 2263271, 4526542, 6789813, 9053084, 13579626, 20369439, 27159252, 40738878, 81477756]

約数ペア:

[(1, 81477756), (2, 40738878), (3, 27159252), (4, 20369439), (6, 13579626), (9, 9053084), (12, 6789813), (18, 4526542), (36, 2263271), (79, 1031364), (158, 515682), (237, 343788), (316, 257841), (474, 171894), (711, 114596), (948, 85947), (1422, 57298), (2844, 28649)]