218640423

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 307701504

約数和(自身を除く): 89061081

約数列:

[1, 3, 43, 53, 113, 129, 159, 283, 339, 849, 2279, 4859, 5989, 6837, 12169, 14577, 14999, 17967, 31979, 36507, 44997, 95937, 257527, 644957, 772581, 1375097, 1694887, 1934871, 4125291, 5084661, 72880141, 218640423]

約数ペア:

[(1, 218640423), (3, 72880141), (43, 5084661), (53, 4125291), (113, 1934871), (129, 1694887), (159, 1375097), (283, 772581), (339, 644957), (849, 257527), (2279, 95937), (4859, 44997), (5989, 36507), (6837, 31979), (12169, 17967), (14577, 14999)]