16878841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 21738240

約数和(自身を除く): 4859399

約数列:

[1, 7, 17, 29, 67, 73, 119, 203, 469, 493, 511, 1139, 1241, 1943, 2117, 3451, 4891, 7973, 8687, 13601, 14819, 33031, 34237, 35989, 83147, 141839, 231217, 251923, 582029, 992873, 2411263, 16878841]

約数ペア:

[(1, 16878841), (7, 2411263), (17, 992873), (29, 582029), (67, 251923), (73, 231217), (119, 141839), (203, 83147), (469, 35989), (493, 34237), (511, 33031), (1139, 14819), (1241, 13601), (1943, 8687), (2117, 7973), (3451, 4891)]