131040208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9403}}^1$

素因数の和:9491

約数の個数: 40

約数和(自身を含む): 277530848

約数和(自身を除く): 146490640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 9403, 13936, 18806, 37612, 75224, 122239, 150448, 244478, 488956, 630001, 977912, 1260002, 1955824, 2520004, 5040008, 8190013, 10080016, 16380026, 32760052, 65520104, 131040208]

約数ペア:

[(1, 131040208), (2, 65520104), (4, 32760052), (8, 16380026), (13, 10080016), (16, 8190013), (26, 5040008), (52, 2520004), (67, 1955824), (104, 1260002), (134, 977912), (208, 630001), (268, 488956), (536, 244478), (871, 150448), (1072, 122239), (1742, 75224), (3484, 37612), (6968, 18806), (9403, 13936)]