219551486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{45989}}^1$

素因数の和:46040

約数の個数: 32

約数和(自身を含む): 423843840

約数和(自身を除く): 204292354

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 45989, 91978, 321923, 505879, 643846, 1011758, 1425659, 2851318, 3541153, 7082306, 9979613, 15682249, 19959226, 31364498, 109775743, 219551486]

約数ペア:

[(1, 219551486), (2, 109775743), (7, 31364498), (11, 19959226), (14, 15682249), (22, 9979613), (31, 7082306), (62, 3541153), (77, 2851318), (154, 1425659), (217, 1011758), (341, 643846), (434, 505879), (682, 321923), (2387, 91978), (4774, 45989)]