519989938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 852388992

約数和(自身を除く): 332399054

約数列:

[1, 2, 13, 26, 103, 206, 281, 562, 691, 1339, 1382, 2678, 3653, 7306, 8983, 17966, 28943, 57886, 71173, 142346, 194171, 376259, 388342, 752518, 925249, 1850498, 2524223, 5048446, 19999613, 39999226, 259994969, 519989938]

約数ペア:

[(1, 519989938), (2, 259994969), (13, 39999226), (26, 19999613), (103, 5048446), (206, 2524223), (281, 1850498), (562, 925249), (691, 752518), (1339, 388342), (1382, 376259), (2678, 194171), (3653, 142346), (7306, 71173), (8983, 57886), (17966, 28943)]