666706576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{16661}}^1$

素因数の和:16771

約数の個数: 40

約数和(自身を含む): 1345023288

約数和(自身を除く): 678316712

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 2501, 5002, 10004, 16661, 20008, 33322, 40016, 66644, 133288, 266576, 683101, 1016321, 1366202, 2032642, 2732404, 4065284, 5464808, 8130568, 10929616, 16261136, 41669161, 83338322, 166676644, 333353288, 666706576]

約数ペア:

[(1, 666706576), (2, 333353288), (4, 166676644), (8, 83338322), (16, 41669161), (41, 16261136), (61, 10929616), (82, 8130568), (122, 5464808), (164, 4065284), (244, 2732404), (328, 2032642), (488, 1366202), (656, 1016321), (976, 683101), (2501, 266576), (5002, 133288), (10004, 66644), (16661, 40016), (20008, 33322)]