199420004

素因数分解:

$2^2\times 7^2\times {\mathrm{1017449}}^1$

素因数の和:1017467

約数の個数: 18

約数和(自身を含む): 405962550

約数和(自身を除く): 206542546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1017449, 2034898, 4069796, 7122143, 14244286, 28488572, 49855001, 99710002, 199420004]

約数ペア:

[(1, 199420004), (2, 99710002), (4, 49855001), (7, 28488572), (14, 14244286), (28, 7122143), (49, 4069796), (98, 2034898), (196, 1017449)]