81735878

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 144764928

約数和(自身を除く): 63029050

約数列:

[1, 2, 7, 14, 41, 82, 131, 262, 287, 574, 917, 1087, 1834, 2174, 5371, 7609, 10742, 15218, 37597, 44567, 75194, 89134, 142397, 284794, 311969, 623938, 996779, 1993558, 5838277, 11676554, 40867939, 81735878]

約数ペア:

[(1, 81735878), (2, 40867939), (7, 11676554), (14, 5838277), (41, 1993558), (82, 996779), (131, 623938), (262, 311969), (287, 284794), (574, 142397), (917, 89134), (1087, 75194), (1834, 44567), (2174, 37597), (5371, 15218), (7609, 10742)]