1947216678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1949

約数の個数: 64

約数和(自身を含む): 4315963392

約数和(自身を除く): 2368746714

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 157, 226, 314, 339, 471, 678, 942, 1243, 1663, 1727, 2486, 3326, 3454, 3729, 4989, 5181, 7458, 9978, 10362, 17741, 18293, 35482, 36586, 53223, 54879, 106446, 109758, 187919, 195151, 261091, 375838, 390302, 522182, 563757, 585453, 783273, 1127514, 1170906, 1566546, 2067109, 2872001, 4134218, 5744002, 6201327, 8616003, 12402654, 17232006, 29503283, 59006566, 88509849, 177019698, 324536113, 649072226, 973608339, 1947216678]

約数ペア:

[(1, 1947216678), (2, 973608339), (3, 649072226), (6, 324536113), (11, 177019698), (22, 88509849), (33, 59006566), (66, 29503283), (113, 17232006), (157, 12402654), (226, 8616003), (314, 6201327), (339, 5744002), (471, 4134218), (678, 2872001), (942, 2067109), (1243, 1566546), (1663, 1170906), (1727, 1127514), (2486, 783273), (3326, 585453), (3454, 563757), (3729, 522182), (4989, 390302), (5181, 375838), (7458, 261091), (9978, 195151), (10362, 187919), (17741, 109758), (18293, 106446), (35482, 54879), (36586, 53223)]