261673168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{1279}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 534886400

約数和(自身を除く): 273213232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 673, 1279, 1346, 2558, 2692, 5116, 5384, 10232, 10768, 12787, 20464, 24301, 25574, 48602, 51148, 97204, 102296, 194408, 204592, 388816, 860767, 1721534, 3443068, 6886136, 13772272, 16354573, 32709146, 65418292, 130836584, 261673168]

約数ペア:

[(1, 261673168), (2, 130836584), (4, 65418292), (8, 32709146), (16, 16354573), (19, 13772272), (38, 6886136), (76, 3443068), (152, 1721534), (304, 860767), (673, 388816), (1279, 204592), (1346, 194408), (2558, 102296), (2692, 97204), (5116, 51148), (5384, 48602), (10232, 25574), (10768, 24301), (12787, 20464)]