199983918

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{421907}}^1$

素因数の和:421991

約数の個数: 16

約数和(自身を含む): 405031680

約数和(自身を除く): 205047762

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 421907, 843814, 1265721, 2531442, 33330653, 66661306, 99991959, 199983918]

約数ペア:

[(1, 199983918), (2, 99991959), (3, 66661306), (6, 33330653), (79, 2531442), (158, 1265721), (237, 843814), (474, 421907)]