161974856

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{1433}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 309744000

約数和(自身を除く): 147769144

約数列:

[1, 2, 4, 8, 71, 142, 199, 284, 398, 568, 796, 1433, 1592, 2866, 5732, 11464, 14129, 28258, 56516, 101743, 113032, 203486, 285167, 406972, 570334, 813944, 1140668, 2281336, 20246857, 40493714, 80987428, 161974856]

約数ペア:

[(1, 161974856), (2, 80987428), (4, 40493714), (8, 20246857), (71, 2281336), (142, 1140668), (199, 813944), (284, 570334), (398, 406972), (568, 285167), (796, 203486), (1433, 113032), (1592, 101743), (2866, 56516), (5732, 28258), (11464, 14129)]