71885164

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2546

約数の個数: 36

約数和(自身を含む): 139444536

約数和(自身を除く): 67559372

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 2473, 4946, 7267, 9892, 14534, 29068, 32149, 64298, 106339, 128596, 212678, 417937, 425356, 835874, 1382407, 1671748, 2764814, 5529628, 17971291, 35942582, 71885164]

約数ペア:

[(1, 71885164), (2, 35942582), (4, 17971291), (13, 5529628), (26, 2764814), (43, 1671748), (52, 1382407), (86, 835874), (169, 425356), (172, 417937), (338, 212678), (559, 128596), (676, 106339), (1118, 64298), (2236, 32149), (2473, 29068), (4946, 14534), (7267, 9892)]