28378142

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:884

約数の個数: 24

約数和(自身を含む): 46563984

約数和(自身を除く): 18185842

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 743, 1469, 1486, 2938, 9659, 19097, 19318, 38194, 83959, 125567, 167918, 251134, 1091467, 2182934, 14189071, 28378142]

約数ペア:

[(1, 28378142), (2, 14189071), (13, 2182934), (26, 1091467), (113, 251134), (169, 167918), (226, 125567), (338, 83959), (743, 38194), (1469, 19318), (1486, 19097), (2938, 9659)]