199920112

素因数分解:

$2^4\times 7^1\times {\mathrm{1785001}}^1$

素因数の和:1785016

約数の個数: 20

約数和(自身を含む): 442680496

約数和(自身を除く): 242760384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1785001, 3570002, 7140004, 12495007, 14280008, 24990014, 28560016, 49980028, 99960056, 199920112]

約数ペア:

[(1, 199920112), (2, 99960056), (4, 49980028), (7, 28560016), (8, 24990014), (14, 14280008), (16, 12495007), (28, 7140004), (56, 3570002), (112, 1785001)]