13881998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:708

約数の個数: 24

約数和(自身を含む): 22921848

約数和(自身を除く): 9039850

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 613, 871, 1226, 1742, 7969, 11323, 15938, 22646, 41071, 82142, 103597, 207194, 533923, 1067846, 6940999, 13881998]

約数ペア:

[(1, 13881998), (2, 6940999), (13, 1067846), (26, 533923), (67, 207194), (134, 103597), (169, 82142), (338, 41071), (613, 22646), (871, 15938), (1226, 11323), (1742, 7969)]