287290616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{10723}}^1$

素因数の和:10943

約数の個数: 32

約数和(自身を含む): 573305040

約数和(自身を除く): 286014424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 788, 1576, 3349, 6698, 10723, 13396, 21446, 26792, 42892, 85784, 182291, 364582, 729164, 1458328, 2112431, 4224862, 8449724, 16899448, 35911327, 71822654, 143645308, 287290616]

約数ペア:

[(1, 287290616), (2, 143645308), (4, 71822654), (8, 35911327), (17, 16899448), (34, 8449724), (68, 4224862), (136, 2112431), (197, 1458328), (394, 729164), (788, 364582), (1576, 182291), (3349, 85784), (6698, 42892), (10723, 26792), (13396, 21446)]