81972276

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6907}}^1$

素因数の和:6980

約数の個数: 48

約数和(自身を含む): 204255744

約数和(自身を除く): 122283468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 6907, 11868, 13814, 20721, 27628, 41442, 82884, 158861, 297001, 317722, 476583, 594002, 635444, 891003, 953166, 1188004, 1782006, 1906332, 3564012, 6831023, 13662046, 20493069, 27324092, 40986138, 81972276]

約数ペア:

[(1, 81972276), (2, 40986138), (3, 27324092), (4, 20493069), (6, 13662046), (12, 6831023), (23, 3564012), (43, 1906332), (46, 1782006), (69, 1188004), (86, 953166), (92, 891003), (129, 635444), (138, 594002), (172, 476583), (258, 317722), (276, 297001), (516, 158861), (989, 82884), (1978, 41442), (2967, 27628), (3956, 20721), (5934, 13814), (6907, 11868)]