2166919984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{701}}^1\times {\mathrm{4493}}^1$

素因数の和:5245

約数の個数: 40

約数和(自身を含む): 4303130832

約数和(自身を除く): 2136210848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 701, 1402, 2804, 4493, 5608, 8986, 11216, 17972, 30143, 35944, 60286, 71888, 120572, 193199, 241144, 386398, 482288, 772796, 1545592, 3091184, 3149593, 6299186, 12598372, 25196744, 50393488, 135432499, 270864998, 541729996, 1083459992, 2166919984]

約数ペア:

[(1, 2166919984), (2, 1083459992), (4, 541729996), (8, 270864998), (16, 135432499), (43, 50393488), (86, 25196744), (172, 12598372), (344, 6299186), (688, 3149593), (701, 3091184), (1402, 1545592), (2804, 772796), (4493, 482288), (5608, 386398), (8986, 241144), (11216, 193199), (17972, 120572), (30143, 71888), (35944, 60286)]