201991112

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{249989}}^1$

素因数の和:250096

約数の個数: 16

約数和(自身を含む): 382484700

約数和(自身を除く): 180493588

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 249989, 499978, 999956, 1999912, 25248889, 50497778, 100995556, 201991112]

約数ペア:

[(1, 201991112), (2, 100995556), (4, 50497778), (8, 25248889), (101, 1999912), (202, 999956), (404, 499978), (808, 249989)]