86428072

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 164459520

約数和(自身を除く): 78031448

約数列:

[1, 2, 4, 8, 127, 254, 257, 331, 508, 514, 662, 1016, 1028, 1324, 2056, 2648, 32639, 42037, 65278, 84074, 85067, 130556, 168148, 170134, 261112, 336296, 340268, 680536, 10803509, 21607018, 43214036, 86428072]

約数ペア:

[(1, 86428072), (2, 43214036), (4, 21607018), (8, 10803509), (127, 680536), (254, 340268), (257, 336296), (331, 261112), (508, 170134), (514, 168148), (662, 130556), (1016, 85067), (1028, 84074), (1324, 65278), (2056, 42037), (2648, 32639)]