201991128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{442963}}^1$

素因数の和:442991

約数の個数: 32

約数和(自身を含む): 531556800

約数和(自身を除く): 329565672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 442963, 885926, 1328889, 1771852, 2657778, 3543704, 5315556, 8416297, 10631112, 16832594, 25248891, 33665188, 50497782, 67330376, 100995564, 201991128]

約数ペア:

[(1, 201991128), (2, 100995564), (3, 67330376), (4, 50497782), (6, 33665188), (8, 25248891), (12, 16832594), (19, 10631112), (24, 8416297), (38, 5315556), (57, 3543704), (76, 2657778), (114, 1771852), (152, 1328889), (228, 885926), (456, 442963)]