1213720004

素因数分解:

$2^2\times 7^2\times {\mathrm{6192449}}^1$

素因数の和:6192467

約数の個数: 18

約数和(自身を含む): 2470787550

約数和(自身を除く): 1257067546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 6192449, 12384898, 24769796, 43347143, 86694286, 173388572, 303430001, 606860002, 1213720004]

約数ペア:

[(1, 1213720004), (2, 606860002), (4, 303430001), (7, 173388572), (14, 86694286), (28, 43347143), (49, 24769796), (98, 12384898), (196, 6192449)]