188808879

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 313712640

約数和(自身を除く): 124903761

約数列:

[1, 3, 7, 21, 29, 31, 73, 87, 93, 137, 203, 217, 219, 411, 511, 609, 651, 899, 959, 1533, 2117, 2263, 2697, 2877, 3973, 4247, 6293, 6351, 6789, 10001, 11919, 12741, 14819, 15841, 18879, 27811, 29729, 30003, 44457, 47523, 65627, 70007, 83433, 89187, 123163, 196881, 210021, 290029, 310031, 369489, 459389, 862141, 870087, 930093, 1378167, 2030203, 2170217, 2586423, 6090609, 6510651, 8990899, 26972697, 62936293, 188808879]

約数ペア:

[(1, 188808879), (3, 62936293), (7, 26972697), (21, 8990899), (29, 6510651), (31, 6090609), (73, 2586423), (87, 2170217), (93, 2030203), (137, 1378167), (203, 930093), (217, 870087), (219, 862141), (411, 459389), (511, 369489), (609, 310031), (651, 290029), (899, 210021), (959, 196881), (1533, 123163), (2117, 89187), (2263, 83433), (2697, 70007), (2877, 65627), (3973, 47523), (4247, 44457), (6293, 30003), (6351, 29729), (6789, 27811), (10001, 18879), (11919, 15841), (12741, 14819)]