289011944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{64627}}^1$

素因数の和:64689

約数の個数: 32

約数和(自身を含む): 597162720

約数和(自身を除く): 308150776

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 64627, 129254, 258508, 517016, 840151, 1680302, 2778961, 3360604, 5557922, 6721208, 11115844, 22231688, 36126493, 72252986, 144505972, 289011944]

約数ペア:

[(1, 289011944), (2, 144505972), (4, 72252986), (8, 36126493), (13, 22231688), (26, 11115844), (43, 6721208), (52, 5557922), (86, 3360604), (104, 2778961), (172, 1680302), (344, 840151), (559, 517016), (1118, 258508), (2236, 129254), (4472, 64627)]