201481928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{6661}}^1$

素因数の和:6885

約数の個数: 32

約数和(自身を含む): 399720000

約数和(自身を除く): 198238072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 3781, 6661, 7562, 13322, 15124, 26644, 30248, 53288, 126559, 253118, 506236, 1012472, 1325539, 2651078, 5302156, 10604312, 25185241, 50370482, 100740964, 201481928]

約数ペア:

[(1, 201481928), (2, 100740964), (4, 50370482), (8, 25185241), (19, 10604312), (38, 5302156), (76, 2651078), (152, 1325539), (199, 1012472), (398, 506236), (796, 253118), (1592, 126559), (3781, 53288), (6661, 30248), (7562, 26644), (13322, 15124)]