642130242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8232439}}^1$

素因数の和:8232457

約数の個数: 16

約数和(自身を含む): 1383049920

約数和(自身を除く): 740919678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8232439, 16464878, 24697317, 49394634, 107021707, 214043414, 321065121, 642130242]

約数ペア:

[(1, 642130242), (2, 321065121), (3, 214043414), (6, 107021707), (13, 49394634), (26, 24697317), (39, 16464878), (78, 8232439)]