520023217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 667975680

約数和(自身を除く): 147952463

約数列:

[1, 7, 17, 19, 119, 127, 133, 323, 889, 1811, 2159, 2261, 2413, 12677, 15113, 16891, 30787, 34409, 41021, 215509, 229997, 240863, 287147, 584953, 1609979, 3909949, 4094671, 4369943, 27369643, 30589601, 74289031, 520023217]

約数ペア:

[(1, 520023217), (7, 74289031), (17, 30589601), (19, 27369643), (119, 4369943), (127, 4094671), (133, 3909949), (323, 1609979), (889, 584953), (1811, 287147), (2159, 240863), (2261, 229997), (2413, 215509), (12677, 41021), (15113, 34409), (16891, 30787)]