12789458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1354

約数の個数: 24

約数和(自身を含む): 21617820

約数和(自身を除く): 8828362

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 1289, 2578, 4961, 9922, 14179, 28358, 52849, 105698, 155969, 311938, 581339, 1162678, 6394729, 12789458]

約数ペア:

[(1, 12789458), (2, 6394729), (11, 1162678), (22, 581339), (41, 311938), (82, 155969), (121, 105698), (242, 52849), (451, 28358), (902, 14179), (1289, 9922), (2578, 4961)]