81508994

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 145069056

約数和(自身を除く): 63560062

約数列:

[1, 2, 7, 14, 43, 71, 86, 142, 301, 497, 602, 994, 1907, 3053, 3814, 6106, 13349, 21371, 26698, 42742, 82001, 135397, 164002, 270794, 574007, 947779, 1148014, 1895558, 5822071, 11644142, 40754497, 81508994]

約数ペア:

[(1, 81508994), (2, 40754497), (7, 11644142), (14, 5822071), (43, 1895558), (71, 1148014), (86, 947779), (142, 574007), (301, 270794), (497, 164002), (602, 135397), (994, 82001), (1907, 42742), (3053, 26698), (3814, 21371), (6106, 13349)]