68658616

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 142761960

約数和(自身を除く): 74103344

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1181, 1352, 2236, 2362, 4472, 4724, 7267, 9448, 14534, 15353, 29068, 30706, 50783, 58136, 61412, 101566, 122824, 199589, 203132, 399178, 406264, 660179, 798356, 1320358, 1596712, 2640716, 5281432, 8582327, 17164654, 34329308, 68658616]

約数ペア:

[(1, 68658616), (2, 34329308), (4, 17164654), (8, 8582327), (13, 5281432), (26, 2640716), (43, 1596712), (52, 1320358), (86, 798356), (104, 660179), (169, 406264), (172, 399178), (338, 203132), (344, 199589), (559, 122824), (676, 101566), (1118, 61412), (1181, 58136), (1352, 50783), (2236, 30706), (2362, 29068), (4472, 15353), (4724, 14534), (7267, 9448)]