12978658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 11655710

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1187, 1562, 2374, 5467, 8309, 10934, 13057, 16618, 26114, 84277, 91399, 168554, 182798, 589939, 927047, 1179878, 1854094, 6489329, 12978658]

約数ペア:

[(1, 12978658), (2, 6489329), (7, 1854094), (11, 1179878), (14, 927047), (22, 589939), (71, 182798), (77, 168554), (142, 91399), (154, 84277), (497, 26114), (781, 16618), (994, 13057), (1187, 10934), (1562, 8309), (2374, 5467)]