199947894

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{421831}}^1$

素因数の和:421915

約数の個数: 16

約数和(自身を含む): 404958720

約数和(自身を除く): 205010826

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 421831, 843662, 1265493, 2530986, 33324649, 66649298, 99973947, 199947894]

約数ペア:

[(1, 199947894), (2, 99973947), (3, 66649298), (6, 33324649), (79, 2530986), (158, 1265493), (237, 843662), (474, 421831)]