217104128

素因数分解:

$2^8\times {\mathrm{661}}^1\times {\mathrm{1283}}^1$

素因数の和:1960

約数の個数: 36

約数和(自身を含む): 434354088

約数和(自身を除く): 217249960

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 661, 1283, 1322, 2566, 2644, 5132, 5288, 10264, 10576, 20528, 21152, 41056, 42304, 82112, 84608, 164224, 169216, 328448, 848063, 1696126, 3392252, 6784504, 13569008, 27138016, 54276032, 108552064, 217104128]

約数ペア:

[(1, 217104128), (2, 108552064), (4, 54276032), (8, 27138016), (16, 13569008), (32, 6784504), (64, 3392252), (128, 1696126), (256, 848063), (661, 328448), (1283, 169216), (1322, 164224), (2566, 84608), (2644, 82112), (5132, 42304), (5288, 41056), (10264, 21152), (10576, 20528)]